OpenTechnical

OT-2026-000057112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000057112) never changes.

Identity and time

Publication numberOT-2026-000057112 · never reused
Internal UUID01a0ae87-d5b8-7212-80ce-fe4407061dfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057112
StatusPUBLIC

Content hashes

Canonical text1f64cf8dabd97407fc0646b34a458987c09b53b43a45f158bf09cdaa3ea36026
Markdown77f1ed2c98795030d2c07c353340af448d415b49c43bc2942e47400912bdd22a
PDF
Publication page4a73f7cb02779f4b05565181ddd3290423161f44b0c56f000ec154390c578d1b
Manifest1b3edcbd506d1e8f394110497cd0177290e18e0d24840bc86cee9bdadef1488f

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
SignatureNAUncYBeAVgjQjd1ez7ZFGUlFDVb8MjmMul13iVHot+yvgvL0SwOELxXz2w/gyPgbfXpCwdvw7thY8qxgCnIBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:04.984362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057112
observed 4a73f7cb02779f4b05565181ddd32904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.967611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057112/manifest.json
observed 1b3edcbd506d1e8f394110497cd01772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.949738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057112/publication.md
observed 77f1ed2c98795030d2c07c353340af44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.930873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057112/publication.txt
observed 1f64cf8dabd97407fc0646b34a458987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:13.726034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057112
observed 4a73f7cb02779f4b05565181ddd32904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:13.708827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057112/manifest.json
observed 1b3edcbd506d1e8f394110497cd01772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:13.692006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057112/publication.md
observed 77f1ed2c98795030d2c07c353340af44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:13.675170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057112/publication.txt
observed 1f64cf8dabd97407fc0646b34a458987...
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.