OpenTechnical

OT-2026-000073059

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000073059) never changes.

Identity and time

Publication numberOT-2026-000073059 · never reused
Internal UUID01a0ae92-c816-72e5-85e3-7968d07d5d5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073059
StatusPUBLIC

Content hashes

Canonical texte0b4b4add6a63810c9da3022fae8a5b0cd2e4175b8e82caa8218f6fd727ef42d
Markdownb397d951e1ee63c6d669551f00d118046c62be478fa10ba54d60ae72bccdebd1
PDF
Publication page1aeb0db12ba784743b91021d03b04062a4cf78f6b90860cc11e0ecc39779bc5f
Manifestfe770330ac4faff775ed144421d8c6ec7faf9aece4a20d1a3c4d044ddbeed625

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
SignatureFZjia+oZUVVuFnnpChBL8NSENiPAz4sMswUMKgbyz/EtCIuPPtdGJoc5qqjdW2TCIbuAJ9fsBMdhtgjXOWu4Ag==
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

2026-09-17T10:22:00.350369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073059
observed 1aeb0db12ba784743b91021d03b04062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.332158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073059/manifest.json
observed fe770330ac4faff775ed144421d8c6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.313699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073059/publication.md
observed b397d951e1ee63c6d669551f00d11804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.295618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073059/publication.txt
observed e0b4b4add6a63810c9da3022fae8a5b0...
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.