OpenTechnical

OT-2026-000017491

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off 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-2026-000017491) never changes.

Identity and time

Publication numberOT-2026-000017491 · never reused
Internal UUID01a0ae6e-76ca-7d67-a51a-e11df2b0f745 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017491
StatusPUBLIC

Content hashes

Canonical text4363d2595454941ee8176876004823b659c905a6cf4897645772cc12bee46db3
Markdown39bb840ebf229ce9f3894410a56ed80179a2af0f17766698b5a53b14d8fe7af9
PDF
Publication pageb29e3b43fdb96d4d741be6fbbb88c7f12cc9b21a1aa3862e365b981e92f2c1f2
Manifesteb385b7908c13513148f4aeff7faaf55837a2e7d68bc68820eefdaa50865925d

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
SignatureAGsHyOz/X898QgoC1W+dosSy7x1NlHkE3wqS2/IPN5y6sVQk2m7MKDp1X06JufbvDaY51DiuYpAqIrOyJUQaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:02:38.530399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017491
observed b29e3b43fdb96d4d741be6fbbb88c7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.513897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017491/manifest.json
observed eb385b7908c13513148f4aeff7faaf55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.493823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017491/publication.md
observed 39bb840ebf229ce9f3894410a56ed801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.473401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017491/publication.txt
observed 4363d2595454941ee8176876004823b6...
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.