OpenTechnical

OT-2026-000082405

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off 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-2026-000082405) never changes.

Identity and time

Publication numberOT-2026-000082405 · never reused
Internal UUID01a0ae97-4d96-7365-a3ae-41d3f41ba6f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082405
StatusPUBLIC

Content hashes

Canonical textfca73aaefe3cca1860a9b40ca30ee97f752d1197bbbb7f9e20f155601dbe253b
Markdown4987e83dbb9b07a9d9e97c713e62ec645349f377beb26e88812b13cc72094948
PDF
Publication page8af9df0913fc36b76f9272d253c27520ee7a5583a1bbf3e7043cc46a88ec29c0
Manifest619d9521be1eb78319bf28ec88e174b3a52a63e5afe0e3cf4a19c3bb0347cd78

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
Signature2X9Ra76EapIBiiuefeXmD/f4U/17mLbb13+mPZEVQrzTpC8frNUul0P0S6H/NJvX8NNVYezJrYcigu31fn5BDg==
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

2026-09-17T09:59:17.378005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082405
observed 8af9df0913fc36b76f9272d253c27520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.361417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082405/manifest.json
observed 619d9521be1eb78319bf28ec88e174b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.344130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082405/publication.md
observed 4987e83dbb9b07a9d9e97c713e62ec64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.325901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082405/publication.txt
observed fca73aaefe3cca1860a9b40ca30ee97f...
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.