OpenTechnical

OT-2026-000031483

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000031483) never changes.

Identity and time

Publication numberOT-2026-000031483 · never reused
Internal UUID01a0ae74-87ae-72d8-a6d6-9b73d52e5a02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031483
StatusPUBLIC

Content hashes

Canonical textf0f6d9b2051c47b2d301efa9263e5f76b91c57fbfe57427730509041703afd0d
Markdown2908c6b88628f7f0f7101e2ce9d63096770f0b0b22904610557c52f32851389a
PDF
Publication page2a160b6d51e9353844b00c28c506d48575d2f29be58e717f751f1ec5ea8bf595
Manifestde6e9ff8e6b52a02b09fe76f2fbb8ae68a1d825fd23180549dfa4a90825f2e9e

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
SignatureRy4tXHoHOt/PwiEluQRtdIkLYc1GOe1nNoyU16VSjAms3d6OGYG0AoWp88tvv/vTuB9mHt5xmoZXNYGwqRRwAg==
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

2026-09-17T11:36:18.472819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031483
observed 2a160b6d51e9353844b00c28c506d485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.453336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031483/manifest.json
observed de6e9ff8e6b52a02b09fe76f2fbb8ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.432836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031483/publication.md
observed 2908c6b88628f7f0f7101e2ce9d63096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.413758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031483/publication.txt
observed f0f6d9b2051c47b2d301efa9263e5f76...
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.