OpenTechnical

OT-2026-000012267

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000012267) never changes.

Identity and time

Publication numberOT-2026-000012267 · never reused
Internal UUID01a0ae6d-39f5-7004-be3c-240cfdeb5a00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012267
StatusPUBLIC

Content hashes

Canonical textdb296c9882566a3e083b8892ddd37171f81e93b1e445a4f4e49d6fe4015f85d1
Markdown285025a43c2b5ee5731ada532ccb431b6dc46a04879024a7ec1a477c260ac6fe
PDF
Publication pageb8e53ac08cf06e8e53b21334981beb1f0480af827f7633110b509be48faab22f
Manifest489f84ced6b9f5f89add257360c37209c2637ba7e36daf4cb5437e94cac667cf

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
SignatureJ9unj5yEZI52oRGqdTlCKsB+c2A6irGneVUrRpVadDsidlPLDchedq2NZpTYGnIQu4GI2fz5V6XVLLC9jb5tCQ==
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

2026-09-17T12:11:12.115833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012267
observed b8e53ac08cf06e8e53b21334981beb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.097303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012267/manifest.json
observed 489f84ced6b9f5f89add257360c37209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.078243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012267/publication.md
observed 285025a43c2b5ee5731ada532ccb431b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.059817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012267/publication.txt
observed db296c9882566a3e083b8892ddd37171...
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.