OpenTechnical

OT-2026-000011560

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, vented 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-2026-000011560) never changes.

Identity and time

Publication numberOT-2026-000011560 · never reused
Internal UUID01a0ae6c-8900-7dcf-b678-4476770855e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011560
StatusPUBLIC

Content hashes

Canonical text00ce5f546f4b278db372c87cfcb541eb7a5604fbf68690f09966a2c963d33dff
Markdownb3c5a61907d828d65939c8d0f3aa2c03e9c6ffef2c66be6828bf61a10b5b8f03
PDF
Publication page983884b25891c2d03f30e61b35c3d312694c63d7dd3ccb3463a31d9ba57619d2
Manifest6045acc16d4c0638e9859846855a8b20198339077151fab4c64dc09b088a4096

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
SignatureHFOlhhdu4usSMqPeBa4ud37P/5EkH+aZrlSuTmB3vQQ0GPKFpd2Ky3p4c3gEw0p9kIGz8USzZTZ76ZPjZXcDAQ==
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

2026-09-17T12:13:27.392308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011560
observed 983884b25891c2d03f30e61b35c3d312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.371943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011560/manifest.json
observed 6045acc16d4c0638e9859846855a8b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.352604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011560/publication.md
observed b3c5a61907d828d65939c8d0f3aa2c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.333786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011560/publication.txt
observed 00ce5f546f4b278db372c87cfcb541eb...
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.