OpenTechnical

OT-2026-000009537

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000009537) never changes.

Identity and time

Publication numberOT-2026-000009537 · never reused
Internal UUID01a0ae6b-7562-7a24-b1db-80246092822d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009537
StatusPUBLIC

Content hashes

Canonical textf90904662f1847ad19287a40231b159529293c4cbe3813a6c3affe3c0f81faf6
Markdown7f567d05145a1e2affe199c58b0cf12c9e3a044ceb17b94165a1a4b544a020f0
PDF
Publication page63413d007aaacd598a0d818f739a235bf1479a8d937bcc8a56a7d2e874d48b7e
Manifestad03a036939f71d513bc927739d90b441cb40c500529799849978a14f6631d39

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
SignatureX66eIgqyTrkYCBs7bnb/k/X8zsrJ9AEIAf1TPPkHGNz42TTiagl8Jo2zRxBrs3MKgWPhkm31vDhDMT9QdfLtDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:57.502536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009537
observed 63413d007aaacd598a0d818f739a235b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.481348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009537/manifest.json
observed ad03a036939f71d513bc927739d90b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.460760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009537/publication.md
observed 7f567d05145a1e2affe199c58b0cf12c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.440206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009537/publication.txt
observed f90904662f1847ad19287a40231b1595...
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.