OpenTechnical

OT-2026-000084508

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, sustained blow-off 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-2026-000084508) never changes.

Identity and time

Publication numberOT-2026-000084508 · never reused
Internal UUID01a0ae98-e25a-708a-95e3-e64f5c3b0a05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084508
StatusPUBLIC

Content hashes

Canonical text56c4990379622e64b5417c92e26a158300ffb6f0bd6ab0ab29c055cabb168e96
Markdown52eab7dc610dd2b3f6e7dd8a31ab4da2227abf8d822af7f82fa78a6e50fb7263
PDF
Publication page1e4b5650ef09f9ed0633bf68ac0ace7b02b944acf960617bfe8c978ad4732f6d
Manifesta5d39b8810404aa3b02eb5cd99768fd2720d56b60c91c2ee92c4a3d35fe75d20

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
SignatureB2K3tTXY+GkfGWyhuIPDUrVh7YkXTotaR2RuGAdTtHcmF7LGyKqZKvtl7LhnY+0kvISJ7A8MDdWXHZ3puQm8Dg==
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

2026-09-17T09:55:23.092155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084508
observed 1e4b5650ef09f9ed0633bf68ac0ace7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.074886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084508/manifest.json
observed a5d39b8810404aa3b02eb5cd99768fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.057742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084508/publication.md
observed 52eab7dc610dd2b3f6e7dd8a31ab4da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.038149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084508/publication.txt
observed 56c4990379622e64b5417c92e26a1583...
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.