OpenTechnical

OT-2026-000085872

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000085872) never changes.

Identity and time

Publication numberOT-2026-000085872 · never reused
Internal UUID01a0ae99-e829-72a7-a939-fb5e0cf725d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085872
StatusPUBLIC

Content hashes

Canonical text94c88b02ce35c145655ef41e9bc94cf3493d7f5e4817c29066d400df8fbfd34c
Markdown5769c33c59cd70e6f39bb3b092ef72732a4f8139b73b1e1bcb4dc8889135e0d6
PDF
Publication page7b4bade1639486f1494eca93a1643c6cb6b60deed6cea24c4b12c056be43c43b
Manifest1ee8399515e869c65177b514d2cde96149e1bf3fe208523b5dff5b836e0e2306

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
SignaturejtGQsy8kkE0Cez4+tR7g9cFKyzoJf06Mgl7zFFZpPRFe2lvRjkwEV4oNB4eIuFXvlWfuisZXRL5YK+Af3SIWAw==
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

2026-09-17T09:52:48.382617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085872
observed 7b4bade1639486f1494eca93a1643c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.366382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085872/manifest.json
observed 1ee8399515e869c65177b514d2cde961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.348822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085872/publication.md
observed 5769c33c59cd70e6f39bb3b092ef7273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.331578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085872/publication.txt
observed 94c88b02ce35c145655ef41e9bc94cf3...
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.