OpenTechnical

OT-2026-000007794

Publication integrity record

Single cup vacuum gripper, 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-2026-000007794) never changes.

Identity and time

Publication numberOT-2026-000007794 · never reused
Internal UUID01a0ae62-843f-76be-8e01-f6ef331a4d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007794
StatusPUBLIC

Content hashes

Canonical textbd88a15adc562bce69cdef1d2f7b59f05dccee01904d91b77bfd2f92acf2533e
Markdown4703fad89d46a7794667e4f7e096b1b39ea32a2dd20d31f31ef2e9f92f202db9
PDF
Publication page3507337d2f6ae9f1d276c41ef11a48981c28c2c43288a545f783120e3ee754f6
Manifest9384d4023a958ade8a9d1870481d0e2fe57b5dbf4f8e69643444092cba95bfaf

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
SignaturekcrcUzWoz6R57LIPiqcsqs7Lobnh80frGtj90XspM1UWi64QKxHhlTaYpfVUYuUZh6nAMQ79pfyMFRRQ3nNWBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:04.455379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007794
observed 3507337d2f6ae9f1d276c41ef11a4898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.433140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007794/manifest.json
observed 9384d4023a958ade8a9d1870481d0e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.405891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007794/publication.md
observed 4703fad89d46a7794667e4f7e096b1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.389260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007794/publication.txt
observed bd88a15adc562bce69cdef1d2f7b59f0...
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.