OpenTechnical

OT-2026-000038527

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038527) never changes.

Identity and time

Publication numberOT-2026-000038527 · never reused
Internal UUID01a0ae78-2d53-71c4-9137-e552af125a8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038527
StatusPUBLIC

Content hashes

Canonical textffcb790d406c7c09c13416b8bb02b39404f9c668a86731f59d215474547d711c
Markdowna211c4a8221e2c318d9dcf9dfa4be00de73af8d55e9199fe4d6d50f17fe4b268
PDF
Publication pagefaf635692c2a1bdde7e68d65c49ba1412b273040dc533825a12fee1070af6eb6
Manifestdfb7cb7a2cbdee9a95fb19956ec0d168e09ad5828254143b6a40ac9b7397ad34

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
SignatureTrKVFn6e2AmPQTEvF9RssbwbU7klDUte/C5dRVV2Cp3zLCJ9eZ+tU9NjM/DFsufYPAPyksog8ousta+h85oHCw==
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

2026-09-17T11:22:47.003510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038527
observed faf635692c2a1bdde7e68d65c49ba141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.986599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038527/manifest.json
observed dfb7cb7a2cbdee9a95fb19956ec0d168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.969037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038527/publication.md
observed a211c4a8221e2c318d9dcf9dfa4be00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.951351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038527/publication.txt
observed ffcb790d406c7c09c13416b8bb02b394...
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.