OpenTechnical

OT-2026-000006269

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000006269) never changes.

Identity and time

Publication numberOT-2026-000006269 · never reused
Internal UUID01a0a955-0694-79b7-919f-306870dc593a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:36.887460Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006269
StatusPUBLIC

Content hashes

Canonical textf20b949db07cca782e44b81999e83ecd7f453b793bf3fa3618c65f50d98d2fe9
Markdown952928ed62ba65dd0064518f8289708e284751c8d9c25980df2d0068e1d374e5
PDF
Publication pageb39726b58d80ad11542dfc797794e7735a87a543cd7892052578d4c89ffc994b
Manifeste79b94377c0a3c3142dfd9fe03e17b8f0ca63f94a6de76f03a79893372bc7b76

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
SignatureO0r+jVUYlukOSix0YsGaRerdF91BHqvNKGhNYx2eaIvTJOEvVA9Qju9nzax87m2ZrpWolcR2e8oNk4snX3UvAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:07.653190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006269
observed b39726b58d80ad11542dfc797794e773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.637631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006269/manifest.json
observed e79b94377c0a3c3142dfd9fe03e17b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.623372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006269/publication.md
observed 952928ed62ba65dd0064518f8289708e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.500198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006269/publication.txt
observed f20b949db07cca782e44b81999e83ecd...
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.