OpenTechnical

OT-2026-000011674

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, 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-2026-000011674) never changes.

Identity and time

Publication numberOT-2026-000011674 · never reused
Internal UUID01a0ae6d-1940-76c6-9165-3e6a612489ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011674
StatusPUBLIC

Content hashes

Canonical textd58f6511f7d6efcbc2e1de00da8fb885888479ac0d407df0ed20c3d42d7d8e93
Markdown1b7ba5a87916e510dcf14cba2f360c3d464ad953610bfa2fa456a1b5bd0d13b6
PDF
Publication page9f743adc7261b59310a74939f0ec58509403e1e030e5796b4258eccd2e2cc371
Manifest7250a1624529325aa57705da1c29a55624b37399ca0a6b9392d6ec102695d0d2

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
Signature8BLQV1mEd9ZqSr4NXe4X1il7sY8wrveMvQ4faZ7NBHocUpQYxyATSPIGQX+QrjB2+8wjnSF+aNdsgNJNU4/qBQ==
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

2026-09-17T12:12:16.153698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011674
observed 9f743adc7261b59310a74939f0ec5850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.135181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011674/manifest.json
observed 7250a1624529325aa57705da1c29a556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.115073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011674/publication.md
observed 1b7ba5a87916e510dcf14cba2f360c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.069678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011674/publication.txt
observed d58f6511f7d6efcbc2e1de00da8fb885...
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.