OpenTechnical

OT-2026-000062594

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000062594) never changes.

Identity and time

Publication numberOT-2026-000062594 · never reused
Internal UUID01a0ae8c-0ac1-7afb-aa8e-f83eefd854c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062594
StatusPUBLIC

Content hashes

Canonical text7c9d45aba2873631edd760ac6a856a2e7db7196c570c2fe686dda8d48287c9c6
Markdownef6f5798b88a7232522950b104d40798e776504ad7982696ef810a535c3f2be3
PDF
Publication page7a9fdc18254a40c36a6e2183c02f402cc2c1c36d9077899f235652861a98bed0
Manifestad853a2727094721803e93c5d816306f4557afa0b1f245b5ed15d1b7c960067d

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
Signaturelittq6fTw2JgZSNF4ZLoUKvI0xwUPT2u0T31NGhWYPTZhuMt27UXcYT6gaewTCeluPmdW6OaI68Ltkh1O6+9Bg==
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

2026-09-17T10:40:05.410412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062594
observed 7a9fdc18254a40c36a6e2183c02f402c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.392039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062594/manifest.json
observed ad853a2727094721803e93c5d816306f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.372026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062594/publication.md
observed ef6f5798b88a7232522950b104d40798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.352593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062594/publication.txt
observed 7c9d45aba2873631edd760ac6a856a2e...
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.