OpenTechnical

OT-2026-000073964

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000073964) never changes.

Identity and time

Publication numberOT-2026-000073964 · never reused
Internal UUID01a0ae93-2b8e-7b6a-a655-f3ac72e1d0a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073964
StatusPUBLIC

Content hashes

Canonical text89bd78eefa6b663cdab9e1a603ac303e3bfcdade76272c8e23a91f57a4e6242e
Markdown1f0b1048f18442ecc4c1aa59630efa3c1da916b317e0dd1aade5da5ebb2db69c
PDF
Publication page21d11917b6d00f53b70f233b578d962d93c8e018c4f14255481d6cf624ce098a
Manifestc5aa66594eaa0ea552497c11c40cb8b8e4b8282cb5693ba8bf93cbf1deb605fa

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
Signature3N+dGRXyYeRSNHwMz26iWYU7IUkz/RFclazFmV/YyQsArJXCw6KLnDkoI3MBDVt0P5w4QMnZWRfG2tQdYLN2BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:15.445673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073964
observed 21d11917b6d00f53b70f233b578d962d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.426822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073964/manifest.json
observed c5aa66594eaa0ea552497c11c40cb8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.407326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073964/publication.md
observed 1f0b1048f18442ecc4c1aa59630efa3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.390031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073964/publication.txt
observed 89bd78eefa6b663cdab9e1a603ac303e...
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.