OpenTechnical

OT-2026-000056422

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000056422) never changes.

Identity and time

Publication numberOT-2026-000056422 · never reused
Internal UUID01a0ae87-4bd2-7ebf-ac0a-efa440a93ff2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056422
StatusPUBLIC

Content hashes

Canonical text10b3cdb0fe81834f500f2141a00b04383db45056137b62a5aa554ff284af63dc
Markdown6add9334ff008bfd847822d86360e6d45fc0f538b80d5c214c9127f3550b0540
PDF
Publication page14504c4733cc396585ee3c6bee308da194394c82a57a6eae16e5cbb9b7449fe8
Manifest1b7d659453672dd2dd24b5fd463cf4655235d8c55539be4f60bef29e405c7614

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
SignaturebjvODvLm9K9Yd0btAJw0ElKpGrRwag+XZqTgHmnzrovb24hSWlzhz/eFDEdrZJLrGawg4Fbn3xcQBEw8Wi82Aw==
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

2026-09-17T10:50:57.246784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056422
observed 14504c4733cc396585ee3c6bee308da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.229105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056422/manifest.json
observed 1b7d659453672dd2dd24b5fd463cf465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.211190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056422/publication.md
observed 6add9334ff008bfd847822d86360e6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.193730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056422/publication.txt
observed 10b3cdb0fe81834f500f2141a00b0438...
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.