OpenTechnical

OT-2026-000079910

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000079910) never changes.

Identity and time

Publication numberOT-2026-000079910 · never reused
Internal UUID01a0ae96-4376-7a95-8060-5643f3347f73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079910
StatusPUBLIC

Content hashes

Canonical text7153d642f1fb1f401854e4fc152fb1fe62f3b2c68d186caf7f6158a32a117d90
Markdown74cc28029fefd760cd4e261a72932d97c08c3e957f1f2d48875fe2cca8bda01c
PDF
Publication page731a31f5d7158483cc2417abb931c5d85c1a5db8bdf8f3e1737512667493896d
Manifest6db4997642e94136349cd674e36db7e52e46b04b1b01074c7f7eeb7399f70044

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
SignaturerAeOJYHh7ZmCOjnJg510zBOJvze6g+I4NPUXBStxoUljT0SjLa83mF4xfJDBGDxBxw4HTfUtg7Uz7YGuwPEeAA==
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

2026-09-17T10:03:48.550612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079910
observed 731a31f5d7158483cc2417abb931c5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.530535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079910/manifest.json
observed 6db4997642e94136349cd674e36db7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.512254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079910/publication.md
observed 74cc28029fefd760cd4e261a72932d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.495105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079910/publication.txt
observed 7153d642f1fb1f401854e4fc152fb1fe...
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.