OpenTechnical

OT-2026-000007161

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, pulsed 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-2026-000007161) never changes.

Identity and time

Publication numberOT-2026-000007161 · never reused
Internal UUID01a0a974-eba0-73c3-8c71-cca4fd0f8b78 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:27.139332Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007161
StatusPUBLIC

Content hashes

Canonical texte48f921ceaf2c8fac530e7d0b6a52fd7e39e85cfd586e573230fc15405d511b7
Markdown63daba6b55fc151570619bd6e65aabac43b4c7da9210991238a35ed3b1699e6a
PDF
Publication pageb0e51866290566094b9cb33bae64937539c7fa09607add924fc68898ee499b27
Manifestbdbca4a33c0ccd3e76b4166b98e7e79d23acdcd37623fb7011ee6c5769296ea4

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
SignatureHxN0KzvgCg/wHGIwMsNAm/B+mSd+7GF/gcdtiI4BdJK+5Hu/+QRDD+WxHYqbm3rI28aTJdrdFBgeiXA2RC8jBQ==
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

2026-09-16T09:10:20.504828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007161
observed b0e51866290566094b9cb33bae649375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.489867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007161/manifest.json
observed bdbca4a33c0ccd3e76b4166b98e7e79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.475804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007161/publication.md
observed 63daba6b55fc151570619bd6e65aabac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.461632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007161/publication.txt
observed e48f921ceaf2c8fac530e7d0b6a52fd7...
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.