OpenTechnical

OT-2026-000054932

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000054932) never changes.

Identity and time

Publication numberOT-2026-000054932 · never reused
Internal UUID01a0ae86-5e7f-78aa-b2d5-574d93eeb704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054932
StatusPUBLIC

Content hashes

Canonical text1f4f9dd3903a261f4c8783784dd00a5766ec84c8a30048b861c9d015e3ab6dc3
Markdown34bfe971146130ec957877949ab8ab47fe8ac02806194ae90f1337ce1078331d
PDF
Publication page515eeb6e5daeab8192b05a45e23e8bdcdbb5b01bec50a8938b7b414024d1f0e5
Manifest5cc6797e399259520205aa2390c2d0e54419172a60526cd00a7d57e4a02267ba

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
Signaturebz4aeaRfYocX9II8Q3dIpLQTzDIfECipGDuF9iZ079MJapG06XxbbjNQD2bzf27uSP+02PGT/u1VTgYzvBXiCQ==
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

2026-09-17T10:53:02.173002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054932
observed 515eeb6e5daeab8192b05a45e23e8bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.155406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054932/manifest.json
observed 5cc6797e399259520205aa2390c2d0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.135535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054932/publication.md
observed 34bfe971146130ec957877949ab8ab47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.117402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054932/publication.txt
observed 1f4f9dd3903a261f4c8783784dd00a57...
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.