OpenTechnical

OT-2026-000077312

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented after 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-2026-000077312) never changes.

Identity and time

Publication numberOT-2026-000077312 · never reused
Internal UUID01a0ae94-f508-71ba-8415-6dc0b915fd36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077312
StatusPUBLIC

Content hashes

Canonical texta1ad2b25b4bb41889dc158bab59d5117d2dc4a69e732132f12f5ac5518db4e24
Markdownb6ad7b71a0d044280d8c0e9bb3f560898c238a691156c7f63b4252a06b6415ac
PDF
Publication pageafc3ed70236e27ca71622287edbaebb0df326597138510b8379c8f268ad70598
Manifestbfc484defbcf044263ce1701f11ab673af945ae2e8c0da2018bfecafc9c05df1

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
Signatureb+7uFYllVzgapghjtUzfMq77lA+V1ITVblGojLX5lbIFgfmavie1Ca2/Uq2XxKMDmOiLxle4BGCR56SVfwC8AA==
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

2026-09-17T10:08:56.991973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077312
observed afc3ed70236e27ca71622287edbaebb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.971623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077312/manifest.json
observed bfc484defbcf044263ce1701f11ab673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.951776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077312/publication.md
observed b6ad7b71a0d044280d8c0e9bb3f56089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.932074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077312/publication.txt
observed a1ad2b25b4bb41889dc158bab59d5117...
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.