OpenTechnical

OT-2026-000073634

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000073634) never changes.

Identity and time

Publication numberOT-2026-000073634 · never reused
Internal UUID01a0ae93-2b8c-7501-ba3b-42af88d58722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073634
StatusPUBLIC

Content hashes

Canonical text90c4bf6271077dfee60a58d7ca2fa7104d3ea82065840214841b0f2f8cbc0ebb
Markdowna95ea1229734441c49819350f6ebac3dd5542cdcb0b0f07c1f7c8504afbcbabd
PDF
Publication page52c1dc4f6848a129dea94ede470f89af24b3e448bff7de5a1ba5ed5703a4ea24
Manifest5c358faeb7141cf4b79ea1972fb417d06ccbdbf3ae521adb916a6ddc9b7adac3

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
SignatureNE+G9EBCG8KCTepQ2ds75uGzUuB5aFgzaajFkN7wJP1cTTVanoQZcgd7LjzMnyv/iQe0XSwc6oHRG0vpjqG7Aw==
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

2026-09-17T10:19:40.661308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073634
observed 52c1dc4f6848a129dea94ede470f89af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.643393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073634/manifest.json
observed 5c358faeb7141cf4b79ea1972fb417d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.625644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073634/publication.md
observed a95ea1229734441c49819350f6ebac3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.607754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073634/publication.txt
observed 90c4bf6271077dfee60a58d7ca2fa710...
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.