OpenTechnical

OT-2026-000102273

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000102273) never changes.

Identity and time

Publication numberOT-2026-000102273 · never reused
Internal UUID01a0aea4-50f3-7753-bee9-09ca98a14af1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102273
StatusPUBLIC

Content hashes

Canonical textec2a00013e6ac1647e2cf885ae830540cdd86e32573651bbef2a90c41492eae6
Markdown2a8aa4ab5820768ef160d4e80cc6f071278071a2fdf25c39b73df73c7efe315e
PDF
Publication page2e1985d52e50060aad3a4eb13c14b8f49dd04c15cdd4a6e0dee7990713bb0cf9
Manifestc715e2edd1ebc98a332470f23896cae567311ffb688c3cde4f38222151182ad4

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
Signature36e8ldyked0ThMAdCnpexu9gFSPYpXo1wK42cudbGD/WCASRitL88jGZ/MhP+jhbJsdbQ/b1qxsOU7S0eCsoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:27.696292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102273
observed 2e1985d52e50060aad3a4eb13c14b8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.679721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102273/manifest.json
observed c715e2edd1ebc98a332470f23896cae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.662390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102273/publication.md
observed 2a8aa4ab5820768ef160d4e80cc6f071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.645471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102273/publication.txt
observed ec2a00013e6ac1647e2cf885ae830540...
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.