OpenTechnical

OT-2026-000057228

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057228) never changes.

Identity and time

Publication numberOT-2026-000057228 · never reused
Internal UUID01a0ae87-d5bb-701e-aba0-6c2aedd84b67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057228
StatusPUBLIC

Content hashes

Canonical text374bf83decd066814bf24b72bfe24f90c30d500de46ead2516fab928224734c6
Markdown6df7d6e135dc63867aa340f2599e3a8b22412af2ebae3d6c4a90980ed3018c51
PDF
Publication page1d455a4768f4cb545e3d760af5628161193a40777329186ddcec2bd2b3c7848d
Manifest97935c123c6461e1b8367c901a8572e2585602ddcd1034ab22bfa9565f4c625b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature5rnKHCZTVYTilgD2362jm5YBlqMAtcqs1DBi9MpwC0JZmwtvsvw4OqiVPGiGZQR+L50aAoESUgJ5Wbv7OlRsCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:17.110548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057228
observed 1d455a4768f4cb545e3d760af5628161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.090406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057228/manifest.json
observed 97935c123c6461e1b8367c901a8572e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.072396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057228/publication.md
observed 6df7d6e135dc63867aa340f2599e3a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.051755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057228/publication.txt
observed 374bf83decd066814bf24b72bfe24f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.752629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057228
observed 1d455a4768f4cb545e3d760af5628161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.735394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057228/manifest.json
observed 97935c123c6461e1b8367c901a8572e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.716627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057228/publication.md
observed 6df7d6e135dc63867aa340f2599e3a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.698449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057228/publication.txt
observed 374bf83decd066814bf24b72bfe24f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.