OpenTechnical

OT-2026-000086927

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, sustained 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-2026-000086927) never changes.

Identity and time

Publication numberOT-2026-000086927 · never reused
Internal UUID01a0ae9a-80a5-7f46-8171-0d5b6d60965f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086927
StatusPUBLIC

Content hashes

Canonical text42e0b259845dd7ac6ef8ab8d4b1d185b34efcb935c03650226956c565b039b76
Markdownd1a42e43dd06fce85ececd528a02f92653cd6733632814330ac22c0af58e0e2a
PDF
Publication page4bc7a9cd38edda3a03cb9b0561ba4c5962a7aa57c77f6fa4667272005d6a979e
Manifest3a72bd45b5aac3ae0ccf08590ab0a4f50878e671b4148eaddcb29930692e24d8

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
SignatureyVPpyx6nt4e5Trj8iI7HkYEqdDDu97U4s9iTdMuBp7GBSjye+j93esfLyDwiyoPmLsEJdnl82lnSEFRYL+YTBw==
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

2026-09-17T09:51:47.070808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086927
observed 4bc7a9cd38edda3a03cb9b0561ba4c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:47.051703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086927/manifest.json
observed 3a72bd45b5aac3ae0ccf08590ab0a4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:47.033674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086927/publication.md
observed d1a42e43dd06fce85ececd528a02f926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:47.015538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086927/publication.txt
observed 42e0b259845dd7ac6ef8ab8d4b1d185b...
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.