OpenTechnical

OT-2026-000014291

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000014291) never changes.

Identity and time

Publication numberOT-2026-000014291 · never reused
Internal UUID01a0ae6d-b279-7a15-86bd-e49fbdf501d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014291
StatusPUBLIC

Content hashes

Canonical text7d06b454683aa8da8f808d510109de00c526d3d81af057a0a1c1c34a74a95e4a
Markdown35a81e3407d674b7777bf27d3805e518b48a65171ecb901785470d02fa468b7d
PDF
Publication pageba778037619c6a944f1822762f66b0ec69f3d5b9d2f5e0755f1ae96a0d962205
Manifestc2b7663b08cde5f72f7aaf0c7510fea778b7c6c7d9e80e9577ea5b5339d573b8

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
Signature9dsY3IV7JCIL39Gjh0hJzyD3pdxtKJbfHV4qk0+WefkIvgmGnbRLlttwHhKbgZRR5rcK09IkXiiztOMQ3WmtDQ==
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

2026-09-17T12:07:30.615135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014291
observed ba778037619c6a944f1822762f66b0ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.597052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014291/manifest.json
observed c2b7663b08cde5f72f7aaf0c7510fea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.578262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014291/publication.md
observed 35a81e3407d674b7777bf27d3805e518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.558516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014291/publication.txt
observed 7d06b454683aa8da8f808d510109de00...
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.