OpenTechnical

OT-2026-000077874

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000077874) never changes.

Identity and time

Publication numberOT-2026-000077874 · never reused
Internal UUID01a0ae95-2ed0-79b9-9951-5ed78affbf1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077874
StatusPUBLIC

Content hashes

Canonical text7bd972c9d77e87698f44de9a4a07455433c0b246c7d9d678cfab3639756ba1ea
Markdowne0a3052e58219e222253673e1f9204a482adfad26cdab8a103f86cd2b754e09a
PDF
Publication page39772374d92a135599be3d4f4929fb39b79a02b2230cb5201b7b0b36fa7c431f
Manifest8b197135aa9aa8113b3f1358819980669891f383a0c797e42f35f31c2e6ecba1

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
SignatureQTzRJm9GIB/kS4xIrf1IbS2t1hDqzaIOV+CBevC3OTysQ5Km52IRaMMHWMbwMW1XAGK28m9/aDYvYrxHSjENBQ==
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

2026-09-17T10:07:37.037442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077874
observed 39772374d92a135599be3d4f4929fb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.018350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077874/manifest.json
observed 8b197135aa9aa8113b3f135881998066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.996203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077874/publication.md
observed e0a3052e58219e222253673e1f9204a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.976199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077874/publication.txt
observed 7bd972c9d77e87698f44de9a4a074554...
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.