OpenTechnical

OT-2026-000052638

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000052638) never changes.

Identity and time

Publication numberOT-2026-000052638 · never reused
Internal UUID01a0ae84-573c-7236-afaf-3b028df02c2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052638
StatusPUBLIC

Content hashes

Canonical text0964f1faed1034aad917236d50fc1639800db2c975f82c2e2c3c9f13b25b50b7
Markdown14b042a30eabde4328f5da874d22abb014b8625b1777394e8c6235ee5d2db99c
PDF
Publication pagee2126563a1255c98e20629e71da7d1ae840c7a11205c221de0d59df1e89f9540
Manifestc2645d5873a74e1d1e113739e872cdb6b66c558cba930009d6a7d4c549910d40

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
Signature6lYj055lNrwfOcfO3Eqj7Gk2rTmmHFkfGOwn0mmYWmWCK6ZEBJj3+aV43a+61RgsEJmvwPdXu06MXLetv0lZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:18.930407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052638
observed e2126563a1255c98e20629e71da7d1ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.911882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052638/manifest.json
observed c2645d5873a74e1d1e113739e872cdb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.893642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052638/publication.md
observed 14b042a30eabde4328f5da874d22abb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.875832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052638/publication.txt
observed 0964f1faed1034aad917236d50fc1639...
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.