OpenTechnical

OT-2026-000071797

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000071797) never changes.

Identity and time

Publication numberOT-2026-000071797 · never reused
Internal UUID01a0ae92-1e92-7142-80c0-01d2c4474387 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071797
StatusPUBLIC

Content hashes

Canonical text0da864fc99c49c34fbef8cf48a71f5271f7ae0e262c3559a9187b17e73c0deaa
Markdown2774ec53a0f9de8257fb326e39b008f88b425a0b08281ab78db46ebe0b7dd9eb
PDF
Publication pagef7416828ae3a7c43f26fd3a72e1ef87164125b3203c96a8f789a97f3f2d5d7ce
Manifestab8a5fe0fa8aa5931ea0f05e1d31b08055bf5f159aea440b100f2b9f41b83731

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
SignatureG6TV38VCoufiU5plHXQAR5nfa9eKs2UWCcHIbTaDhSpO0z8bbqM+1f+dZFDxL/vBYvcbDN49CSQIQ/5LPj+ABg==
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

2026-09-17T10:23:57.907579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071797
observed f7416828ae3a7c43f26fd3a72e1ef871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.889927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071797/manifest.json
observed ab8a5fe0fa8aa5931ea0f05e1d31b080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.871577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071797/publication.md
observed 2774ec53a0f9de8257fb326e39b008f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.853952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071797/publication.txt
observed 0da864fc99c49c34fbef8cf48a71f527...
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.