OpenTechnical

OT-2026-000037942

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000037942) never changes.

Identity and time

Publication numberOT-2026-000037942 · never reused
Internal UUID01a0ae77-f88a-7348-9508-8a6e03deaaa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037942
StatusPUBLIC

Content hashes

Canonical text0b278ff508328893049ab17af5c22c2719d598f7d72678f0eb5c29ce9631b26e
Markdown1d37fde83b87bdc76cf138f6a7c3769ee7e0d242b44c5135ecc0eb74577b85a8
PDF
Publication page31029db7fab13fa3c71070e60dfb79f818ceb5cdcf1eee898876db94099e85af
Manifest531d27d4c121a49f4c6c585f9aa4d28faabb7b8a870326c30ea99f2eee3708b9

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
SignatureCF+On/KsVLhH4+4aGhGiVvoJjZup8MFuptZYT4pcrFAV322XGAZ/PwFmSdvnhvl7jL9QIkfURUZjtJDmYoBECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:23:13.611817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037942
observed 31029db7fab13fa3c71070e60dfb79f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.591814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037942/manifest.json
observed 531d27d4c121a49f4c6c585f9aa4d28f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.573604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037942/publication.md
observed 1d37fde83b87bdc76cf138f6a7c3769e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.556673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037942/publication.txt
observed 0b278ff508328893049ab17af5c22c27...
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.