OpenTechnical

OT-2026-000068694

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000068694) never changes.

Identity and time

Publication numberOT-2026-000068694 · never reused
Internal UUID01a0ae90-2483-7a67-8aff-ac81e30be5b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068694
StatusPUBLIC

Content hashes

Canonical text86453ef6434419c68d2376bb9264c6d5aba3486ffa9f55da2361aa8eca81610f
Markdownaf4e3f4461082c5bc9338287b60dc093e435767595e935f7977e50b574587ce2
PDF
Publication pageacd39f9072b24de6031618e0e2af15de3de6b4bb194a7fdd7baae37d2aab148d
Manifest61d701a299ba74dbc1fee399c20d2c5f0ac92bf99096f41b902d8c6ba5dad32f

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
SignatureFGUVUfIob7D+eZbTI8kRwfYjWTy/CJnvNibktmU0c2IWJfyicda5zKMOiqq3IyNOG4+8fQC38XKvDnB6RRDFCA==
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

2026-09-17T10:29:54.104836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068694
observed acd39f9072b24de6031618e0e2af15de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.088797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068694/manifest.json
observed 61d701a299ba74dbc1fee399c20d2c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.069446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068694/publication.md
observed af4e3f4461082c5bc9338287b60dc093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.049156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068694/publication.txt
observed 86453ef6434419c68d2376bb9264c6d5...
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.