OpenTechnical

OT-2026-000057506

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented before 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-2026-000057506) never changes.

Identity and time

Publication numberOT-2026-000057506 · never reused
Internal UUID01a0ae88-2692-7cd6-ab0a-29fdcd935d5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057506
StatusPUBLIC

Content hashes

Canonical text98b781d057f8ba182c37117c0f9b44c32927b0481ca4e7843daeacbdbae5d2a1
Markdown95b5e3151511c7f5cf3de3dcc5b1184104c27576f38837c0607b28e4bf584674
PDF
Publication pagebe5dd93a8a712dbda7c9fec6cf8f6b405c3e4edc31f13dc54e4b08f465ff28f4
Manifestacbd730858f99363545b8a6959218029b21ee360c5f2b5dac9f69938c1b8418b

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
Signature3Z5hJrgFnQ97jjZsm+5qo7OtISKIChCV32vD6wNRWrUqHv6/7MrYIGAjm3tynf1Coynq84c4sZ4LKLOCN3hjCQ==
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...

Independent retrieval

2026-09-17T10:48:02.121804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057506
observed be5dd93a8a712dbda7c9fec6cf8f6b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.104541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057506/manifest.json
observed acbd730858f99363545b8a6959218029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.085939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057506/publication.md
observed 95b5e3151511c7f5cf3de3dcc5b11841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.068016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057506/publication.txt
observed 98b781d057f8ba182c37117c0f9b44c3...
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.