OpenTechnical

OT-2026-000061586

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three 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-2026-000061586) never changes.

Identity and time

Publication numberOT-2026-000061586 · never reused
Internal UUID01a0ae8b-7b45-7b77-900d-e1f005123e0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061586
StatusPUBLIC

Content hashes

Canonical text1a0dd3bf23cf6b99d472115fdfc73b553abd3a7ab3bbc98589a253a9c9529eb8
Markdownc2d96820c1dd34b390b2c5c7fd3e9a364b3ff4428a8deef12e10aeed292b57ec
PDF
Publication page793bb56cd9d8ebaf7eeca7c1027d4e0dc7ccce79817e7da3681210160f648d8a
Manifest5b32d9c57748863ddbd7959fa433d04cb75972c9b0e58f55573c814a7cd973c5

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
SignatureKm8LVu5OquGyBN4s3uzMpqDmrBAB/u5/L9aXVMMBiu9BtW3pXuNzfwvRRPxR9c0uucYKAKncDreM/fOR9TQ/DQ==
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

2026-09-17T10:41:30.475745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061586
observed 793bb56cd9d8ebaf7eeca7c1027d4e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.458104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061586/manifest.json
observed 5b32d9c57748863ddbd7959fa433d04c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.438610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061586/publication.md
observed c2d96820c1dd34b390b2c5c7fd3e9a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.420624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061586/publication.txt
observed 1a0dd3bf23cf6b99d472115fdfc73b55...
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.