OpenTechnical

OT-2026-000078632

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000078632) never changes.

Identity and time

Publication numberOT-2026-000078632 · never reused
Internal UUID01a0ae95-7c2a-7028-a3ca-240d6d475434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078632
StatusPUBLIC

Content hashes

Canonical textf7af78ac8ac355e92107d92fd57556009005dc832f1ad5cc113f4d4487e1890c
Markdownb49f3f3748063605a332e88ace186069b49c494ae536e27dd59a4e3abc0d37ab
PDF
Publication page8f011b5bd5647ecb6b8db0475fbe3e11b06dd5be8f3d28bda62292aa41b34c82
Manifest78a70227255a8708a31ac7e2442a430e4ee9cf541e4368dd0cce53bafe58c83b

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
SignatureDmu81Jr7UY0yGeU6Szx8qMGFald4OdqcQlcTX6750HmpOknTXCWToKGscLNKwNwoXxy/8dcbWnnEFIRCdAJ5Cg==
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

2026-09-17T10:06:40.199605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078632
observed 8f011b5bd5647ecb6b8db0475fbe3e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.180908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078632/manifest.json
observed 78a70227255a8708a31ac7e2442a430e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.162672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078632/publication.md
observed b49f3f3748063605a332e88ace186069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.144288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078632/publication.txt
observed f7af78ac8ac355e92107d92fd5755600...
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.