OpenTechnical

OT-2026-000073296

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000073296) never changes.

Identity and time

Publication numberOT-2026-000073296 · never reused
Internal UUID01a0ae92-efb7-7e77-ba41-abc4a84978e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073296
StatusPUBLIC

Content hashes

Canonical textbc131f1c77df0aeff0a88b581d42cd4e4503ebf324f70e6ba8f58dd1b1e14721
Markdown7fbab161a64dc548ea33d1f871cc216a4ba7b2759c1159119aa3caaeb199c90b
PDF
Publication page25bc438ffe6e40b98e9875f45244ff5676dae386d2b71aaca909d6ba5b5ab2b4
Manifest82e377bc6dcb1f9c6012cb8d40423b09572e4974abef2dbcc086f65614410715

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
SignatureXRQksk3uWGFBb4k8E7r9XI5SEDj7iiZIBY+i91Z6+swdgnKtOuonrLIy/NdpmxC6HAMYhSmGs9eMEnASlQfvDA==
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

2026-09-17T10:21:18.353200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073296
observed 25bc438ffe6e40b98e9875f45244ff56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.335447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073296/manifest.json
observed 82e377bc6dcb1f9c6012cb8d40423b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.317546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073296/publication.md
observed 7fbab161a64dc548ea33d1f871cc216a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.298775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073296/publication.txt
observed bc131f1c77df0aeff0a88b581d42cd4e...
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.