OpenTechnical

OT-2026-000080759

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000080759) never changes.

Identity and time

Publication numberOT-2026-000080759 · never reused
Internal UUID01a0ae96-b974-74b1-83d7-9cc70b065a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080759
StatusPUBLIC

Content hashes

Canonical text34d81002e74982ad4d4f6d5bad2e6682d99b6378e75829b3f194c69b07556912
Markdowndbee5d1ae669529aa10c39b8cb69d2b2be38562dae99ed17847ae91578771ec3
PDF
Publication page168b1cc41f4094c25f24e112235fed8674cd91431358ff2f37e0021fd210fdfa
Manifeste538f2159afe77210e7f79321c513df2dc2a59013af4f04f806d03ec097e4780

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
SignatureYYc4CASf7eNUvX0DeCqkxWMqgFsF7XIT/bHtt9qJJD2OZc7aCtWmfdJ+fa44EQjZyIXy/3yO6mI9BCmeV3lsAw==
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

2026-09-17T10:01:55.393131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080759
observed 168b1cc41f4094c25f24e112235fed86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.374659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080759/manifest.json
observed e538f2159afe77210e7f79321c513df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.356690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080759/publication.md
observed dbee5d1ae669529aa10c39b8cb69d2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.338374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080759/publication.txt
observed 34d81002e74982ad4d4f6d5bad2e6682...
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.