OpenTechnical

OT-2026-000071520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000071520) never changes.

Identity and time

Publication numberOT-2026-000071520 · never reused
Internal UUID01a0ae91-e0ee-7b40-8c01-9ae7d4e9e109 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071520
StatusPUBLIC

Content hashes

Canonical textdc6b5b6b6b226daee30468e489f7f04a2889fc87519305e5ffa79224bca9c58e
Markdown05697087522e0d06df553293ff817d0f4d7392cb3230c7cb5f11aba563ab922e
PDF
Publication page52a1f4a28d7c65e2b6e6b778c80c4b064b9bac29df47f256fc6e6018ef64fd98
Manifestaa56b7eda67f4f5abe619eb66f058a788c4cadec282ffcd0b2d104387799b83b

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
SignaturecEJxvj/Lrt4cnvvfSGeW++5DGhAuqWu1Bq+NGVK/km8CFXQFpqZTfleyp+4/YnTnruZzzEODYM9vI93Ay9vdDw==
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

2026-09-17T10:25:10.126436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071520
observed 52a1f4a28d7c65e2b6e6b778c80c4b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.108294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071520/manifest.json
observed aa56b7eda67f4f5abe619eb66f058a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.090799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071520/publication.md
observed 05697087522e0d06df553293ff817d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.072246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071520/publication.txt
observed dc6b5b6b6b226daee30468e489f7f04a...
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.