OpenTechnical

OT-2026-000037879

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000037879) never changes.

Identity and time

Publication numberOT-2026-000037879 · never reused
Internal UUID01a0ae77-f889-7a8c-a437-7d97e135e479 · 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-2026-000037879
StatusPUBLIC

Content hashes

Canonical textca95ad4edffe688ca58192eaa0616ec055fa1d829d00abae671ae8438dcf170e
Markdownf22da634b790b4946c371ba84a2b95d61f5854f92f163393e3b620c80dde519d
PDF
Publication pagec9618e78c12b759b57fa4747e5e6e38ab80edfe9afae65265b92ca2a7c2ec98b
Manifest76e0b4123fdb0fca679d66f46d82a0e6c6067a7de6cdd6883f1b95144debc528

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
SignatureKm4syxht9+HTT4+RUwYykgfYx10tQls6AsDzioCUnrJJreNa+f7MmnaPIzh7Kage13rbQiGTesmyv9VaGAlXDw==
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

2026-09-17T16:42:32.133861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037879
observed c9618e78c12b759b57fa4747e5e6e38a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:31.986487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037879/manifest.json
observed 76e0b4123fdb0fca679d66f46d82a0e6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:31.832281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037879/publication.md
observed f22da634b790b4946c371ba84a2b95d6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:31.668017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037879/publication.txt
observed ca95ad4edffe688ca58192eaa0616ec0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.538657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037879
observed c9618e78c12b759b57fa4747e5e6e38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.519463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037879/manifest.json
observed 76e0b4123fdb0fca679d66f46d82a0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.501514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037879/publication.md
observed f22da634b790b4946c371ba84a2b95d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.482795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037879/publication.txt
observed ca95ad4edffe688ca58192eaa0616ec0...
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.