OpenTechnical

OT-2026-000079453

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, sustained 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-2026-000079453) never changes.

Identity and time

Publication numberOT-2026-000079453 · never reused
Internal UUID01a0ae96-0b91-7dba-a2ed-1be487c2a4fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079453
StatusPUBLIC

Content hashes

Canonical text7ee84b13b96afd2d3f29cefbc0bb02802da180349eef98ba9aae7a2d92d0a62a
Markdownbc1aec4652fa0df854f3f411a63d29eb68e32f3d1a13b56d2dfdd95802adc8f7
PDF
Publication pagebc941db9043cada93b253d12d3bec4d1b595c6a561c9ea4e01945f43f156cf30
Manifest8339f41c7e159de84ce0df75c7002998266c6ca0101c6be7c9eaa0b9e0c0d57e

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
SignaturegGDugldSgsyswet0XLJksMNEDAmvPU2k7DqOKrZECQ4ICjg4iKp4tMbXpdMoJdRzYY2rb2huqMH0z6QD7i4FCg==
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

2026-09-17T10:05:04.756875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079453
observed bc941db9043cada93b253d12d3bec4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.737545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079453/manifest.json
observed 8339f41c7e159de84ce0df75c7002998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.717773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079453/publication.md
observed bc1aec4652fa0df854f3f411a63d29eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.697798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079453/publication.txt
observed 7ee84b13b96afd2d3f29cefbc0bb0280...
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.