OpenTechnical

OT-2026-000078994

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000078994) never changes.

Identity and time

Publication numberOT-2026-000078994 · never reused
Internal UUID01a0ae95-ccbe-7ffb-a55d-6a528f54d7c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078994
StatusPUBLIC

Content hashes

Canonical text4b1d56252b8983448bf22f1ce065f7be01d9fa6de7df60edfb3b55dc215fec72
Markdowneb061bce49e8e75d512b6de70bb4513be52fa235e4484337aaf785e64d0b8d98
PDF
Publication pagea0666f36206dd38252086c9a6423003b840e10fbc6b4d0718ac0c00c56b80b08
Manifest0dfe13ef224ced1d23664825b6239b7678c996dca90a9efbf79339d805c7a5a3

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
SignaturewJtQAmi3CAUxpDpGkxaxYFJQhZhEYPFkvigqKNqWY58bwMBLOYyAdxpU5p7akHiX6BdToPc3JIOPAY95jcHSBQ==
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

2026-09-17T10:05:23.749906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078994
observed a0666f36206dd38252086c9a6423003b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.725832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078994/manifest.json
observed 0dfe13ef224ced1d23664825b6239b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.708135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078994/publication.md
observed eb061bce49e8e75d512b6de70bb4513b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.689114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078994/publication.txt
observed 4b1d56252b8983448bf22f1ce065f7be...
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.