OpenTechnical

OT-2026-000088164

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000088164) never changes.

Identity and time

Publication numberOT-2026-000088164 · never reused
Internal UUID01a0ae9b-1aa8-7b9c-8213-4f116714c104 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088164
StatusPUBLIC

Content hashes

Canonical text9bfa1089517896a55c02a0157faa0b75ebea01e0d757d69b07567d3f43ce60b5
Markdown01da6edf70ac4baff499ff8077a73b6db1161491c707f544c2da6011c8367d59
PDF
Publication pageb33713691535bedfdf774f74c2ea98581f18ef7424ff6cab81d6ed2c29f869ee
Manifestfc3a082118183246535570659481a0f10ee033365af57555e8c4f44118448184

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
SignatureVNgzqDqKGRS/bMllHxcaj+Cz9yT7e3s9OHuX/QstxTgKutKBCB6pVPZhSeR5XuAaxv4s96zAeap/JS2+VGt1BQ==
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

2026-09-17T09:50:12.476438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088164
observed b33713691535bedfdf774f74c2ea9858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.458188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088164/manifest.json
observed fc3a082118183246535570659481a0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.438224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088164/publication.md
observed 01da6edf70ac4baff499ff8077a73b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.419781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088164/publication.txt
observed 9bfa1089517896a55c02a0157faa0b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.782603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088164
observed b33713691535bedfdf774f74c2ea9858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.763771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088164/manifest.json
observed fc3a082118183246535570659481a0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.741707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088164/publication.md
observed 01da6edf70ac4baff499ff8077a73b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.720979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088164/publication.txt
observed 9bfa1089517896a55c02a0157faa0b75...
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.