OpenTechnical

OT-2026-000048553

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000048553) never changes.

Identity and time

Publication numberOT-2026-000048553 · never reused
Internal UUID01a0ae80-4de7-746a-97c8-dcba392a42f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048553
StatusPUBLIC

Content hashes

Canonical text47fd1979823c860163cfa358c54396304285a6daf5bb23ee0f6658f06e7d210e
Markdownc926b1b811f1b9d47b3f0673851c990916d826d2e571ee88f1de20ab40a1f453
PDF
Publication page8731082c10854e8d4cdd0ebe0ea126ca43dba042e7e4ced55d412ea6f36f92f5
Manifest3cb80deb170964fe3af66808d4d12d17569af5d7c4f6bb42fc6190a02dfc6643

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
SignaturenF5QjSUSfpwg8do+Fy57/bjDSbLoTXTx8Ileuon8tYbFyI7fwHzLnlRLDzCBTW1gE3UgvGAlLLnL5JgDmxceDA==
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

2026-09-17T11:05:20.910117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048553
observed 8731082c10854e8d4cdd0ebe0ea126ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.890766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048553/manifest.json
observed 3cb80deb170964fe3af66808d4d12d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.872337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048553/publication.md
observed c926b1b811f1b9d47b3f0673851c9909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.850691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048553/publication.txt
observed 47fd1979823c860163cfa358c5439630...
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.