OpenTechnical

OT-2026-000061942

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061942) never changes.

Identity and time

Publication numberOT-2026-000061942 · never reused
Internal UUID01a0ae8b-b8ad-71f7-9d39-1549bb983075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061942
StatusPUBLIC

Content hashes

Canonical text98dad22568f8c73d773c5ddc50ac149bbe4497db02bdba649f5a7c1d8396274a
Markdown4ae7dd160cb38ec05709ac29a471c53821b6b05df652d08d1eb4f9f6669d1b8b
PDF
Publication page078802eba20f05e2dcfca372449974a87850883c4a286cd9f23fa25eded07634
Manifeste11ebe50534bda6f1b16133c2aa6bc8d0d53834dcd5804bf203452bc13d10b46

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
Signature8J/DLWPlfZl9oeN/PAoSeZYTcgBjbxjxtQOaze+bf3MgusRdhfBcIqqag6mo/MUYNLcdkkkw4ImsSI8DS3bKAA==
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...

Independent retrieval

2026-09-17T10:40:50.303149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061942
observed 078802eba20f05e2dcfca372449974a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.281336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061942/manifest.json
observed e11ebe50534bda6f1b16133c2aa6bc8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.257274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061942/publication.md
observed 4ae7dd160cb38ec05709ac29a471c538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.234022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061942/publication.txt
observed 98dad22568f8c73d773c5ddc50ac149b...
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.