OpenTechnical

OT-2026-000077060

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000077060) never changes.

Identity and time

Publication numberOT-2026-000077060 · never reused
Internal UUID01a0ae94-f507-7588-9315-292512ab985c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077060
StatusPUBLIC

Content hashes

Canonical text86e42231e33e32d38b611c88bf77b6b703fe502e7442d704eac1f163884a419e
Markdowne6b4cdca746ed5ba72b216f61af4c665a1a2f13bb4a519ce5aa69a37e9a90c60
PDF
Publication page1da29fa86aacf34bbbb848fdd87fb443598ea9f898c088a7e6da9c5d5fff8016
Manifest3c73910b715c650697f3872779ee9c447a8d626b704866ae03cd6f38f080b6c9

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
SignaturefGLQiAzZy2VNBcX18iezO+qGL6tOMX4faiY8yPXoAIdzueCS/Pk1NfGK1lBJxGHMj5c/U1tXnWTwFZRm3MVhDQ==
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

2026-09-17T10:11:10.037289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077060
observed 1da29fa86aacf34bbbb848fdd87fb443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:10.016798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077060/manifest.json
observed 3c73910b715c650697f3872779ee9c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:09.995538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077060/publication.md
observed e6b4cdca746ed5ba72b216f61af4c665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:09.976860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077060/publication.txt
observed 86e42231e33e32d38b611c88bf77b6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:28.492516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077060
observed 1da29fa86aacf34bbbb848fdd87fb443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:28.472794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077060/manifest.json
observed 3c73910b715c650697f3872779ee9c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:28.454792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077060/publication.md
observed e6b4cdca746ed5ba72b216f61af4c665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:28.436328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077060/publication.txt
observed 86e42231e33e32d38b611c88bf77b6b7...
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.