OpenTechnical

OT-2026-000018776

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000018776) never changes.

Identity and time

Publication numberOT-2026-000018776 · never reused
Internal UUID01a0ae6e-d521-721e-aa08-35159614d206 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018776
StatusPUBLIC

Content hashes

Canonical text2fe30cfec6a4e15b22b4ce9af55dd351cde5a0ed8f07d6314bd9acf6106f3564
Markdown46926e1d5b7cd83faf30490831c52f31cd6fc7d778454337ea3aef18dd43f235
PDF
Publication page186007cb1ddc9ad4edd02f12a483fa761f4f5ebb4a474a692019360609f6893d
Manifest4bc1861b1b3e950cb6a7ad56615eadc8126a31c1f62e82b42a9432b547085319

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
SignatureX1WRwWL4gCzjfg13FlK7ZE92TZ/MzKSezPSJUNi01/jCtrQA6m439PtEHduv3LxP1CiUcvHzuOk35BWLPZS9AQ==
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

2026-09-17T11:59:23.922299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018776
observed 186007cb1ddc9ad4edd02f12a483fa76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.906800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018776/manifest.json
observed 4bc1861b1b3e950cb6a7ad56615eadc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.891799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018776/publication.md
observed 46926e1d5b7cd83faf30490831c52f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.875425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018776/publication.txt
observed 2fe30cfec6a4e15b22b4ce9af55dd351...
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.