OpenTechnical

OT-2026-000069969

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069969) never changes.

Identity and time

Publication numberOT-2026-000069969 · never reused
Internal UUID01a0ae91-1860-7085-8e63-1932287d4ae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069969
StatusPUBLIC

Content hashes

Canonical text1673afb3cbfedbe7eaaa92a3a11ebc5005b6cd9da5bb83a6bd7833268cc63675
Markdownbe51bfbedf84f2a53756144126231fac87ea99bf519372935929997de48988de
PDF
Publication page142dd8d5c8a94b4953709c23a49336df55a0aaf680b7421b9f2fec0d812f693a
Manifest7ee6afce46d519f24d2a715e4d72c6690297c2f5628d100cd7681399827cc384

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
SignaturecBP+e1O/YoDxk8UZRbCEc9T8UpbY8qKnFfxQFwgIxgHwO5WCiHbXiIhSFGKXJAFlwp3r2o3g5fDRdoWzWDLODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:54.685213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069969
observed 142dd8d5c8a94b4953709c23a49336df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.667778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069969/manifest.json
observed 7ee6afce46d519f24d2a715e4d72c669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.650557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069969/publication.md
observed be51bfbedf84f2a53756144126231fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.632682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069969/publication.txt
observed 1673afb3cbfedbe7eaaa92a3a11ebc50...
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.