OpenTechnical

OT-2026-000007462

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pressure verified, contact triggered, vented 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-2026-000007462) never changes.

Identity and time

Publication numberOT-2026-000007462 · never reused
Internal UUID01a0a97f-b077-7756-ae67-15b2f87c72df · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:12.889534Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007462
StatusPUBLIC

Content hashes

Canonical text773bab026f7a0ada9fc52cc8c50cad57fba3fcc643445d68310bd4c019a3502a
Markdown3f4419bd0ab9c3e3b4dc549ef753162e2e6c6c6bed8705a4ea0082db0b4d86d8
PDF
Publication page7c05a322bdf1aa9bfee4953d76a076e1da2d209b8f4ada4ccb8ba1ab6816d0b4
Manifest73de9a2c167ed0ee73267227761f08c9a3c8fd6e0c3be14b63ec478c4ca21667

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
Signature3Fs+1eq96XDAS2CMBPVBA65+2+dcb5pC5GsJGHwlZ1NmEm9r22kHMS1bA0MPYLD/RKVZDcmNF9N3VphL1IncDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T12:42:58.253632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007462
observed 7c05a322bdf1aa9bfee4953d76a076e1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:58.082695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007462/manifest.json
observed 73de9a2c167ed0ee73267227761f08c9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:57.931645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007462/publication.md
observed 3f4419bd0ab9c3e3b4dc549ef753162e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:57.757601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007462/publication.txt
observed 773bab026f7a0ada9fc52cc8c50cad57...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.056102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007462
observed 7c05a322bdf1aa9bfee4953d76a076e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.042183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007462/manifest.json
observed 73de9a2c167ed0ee73267227761f08c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.029743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007462/publication.md
observed 3f4419bd0ab9c3e3b4dc549ef753162e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.016832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007462/publication.txt
observed 773bab026f7a0ada9fc52cc8c50cad57...
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.