OpenTechnical

OT-2026-000072892

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000072892) never changes.

Identity and time

Publication numberOT-2026-000072892 · never reused
Internal UUID01a0ae92-c814-758d-8f14-4cb655ba7900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072892
StatusPUBLIC

Content hashes

Canonical text9584b6264e3a4b34280006c09b48205bf2488f07e88b7c7f606371a83f54a686
Markdown77c4bb99cff2cad6cf8f546807a6a074d22b0ab32c33efd3ee32ccdd1ca3b5aa
PDF
Publication page2b1f4daf8c4f92b44dcdfce0921a37b5c42f3679bea725832f3bee4769e36bf3
Manifest0bb693c50887ed092032ac761d786932618a591ecedb59acf020091acb39500e

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
SignatureAby3WX5IhYn5cYyQZI4cuuguep5mGVqRBMmfi+ye7m1ES9jMDmRdM8ERBof64yDsQBSJZNR0eU1AXerKsc/uAQ==
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

2026-09-17T10:21:47.793927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072892
observed 2b1f4daf8c4f92b44dcdfce0921a37b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.774240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072892/manifest.json
observed 0bb693c50887ed092032ac761d786932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.754029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072892/publication.md
observed 77c4bb99cff2cad6cf8f546807a6a074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.713429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072892/publication.txt
observed 9584b6264e3a4b34280006c09b48205b...
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.