OpenTechnical

OT-2026-000007117

Publication integrity record

Vacuum cup gripper, three zone face, three stage ejector, pulsed blow off after 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-2026-000007117) never changes.

Identity and time

Publication numberOT-2026-000007117 · never reused
Internal UUID01a0a973-4ac8-742d-a8a1-8a89e21addab · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:40.427546Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007117
StatusPUBLIC

Content hashes

Canonical text56525143bf1db483b4591efc5eb2cda71028a51aba7d5cb1a3e32f19235e5ed6
Markdown04c3f86146d79a00857a6ccb8aebf93744ec0dd2c2a944f0812717285c6f8363
PDF
Publication page0ffc5c10c17bde6960af5adfbb5c65321aa5ff5508ca1f6ed0e88340041aa82a
Manifest882f4639f2df81010a0ffbbc7986ac89c8c2cdfac742578a6df1725a00c71809

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
SignatureJbPRttKHFxi8d8z8ILQjErFtFRoB+cPaOmGmwHBHimUMD9ZsJEgHEGy5MZfCKhmW4t3aHcEGfLm8z6eMq2+rCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:25.192804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007117
observed 0ffc5c10c17bde6960af5adfbb5c6532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.177219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007117/manifest.json
observed 882f4639f2df81010a0ffbbc7986ac89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.163204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007117/publication.md
observed 04c3f86146d79a00857a6ccb8aebf937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.148882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007117/publication.txt
observed 56525143bf1db483b4591efc5eb2cda7...
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.