OpenTechnical

OT-2026-000038121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038121) never changes.

Identity and time

Publication numberOT-2026-000038121 · never reused
Internal UUID01a0ae77-f88b-73f6-8902-8ce0c8b58274 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038121
StatusPUBLIC

Content hashes

Canonical text501423853669b82513362d138852cb12ea7acecc80c50b18cf49c7a674a6066b
Markdowne11efd6e8aac012877f9a773ce49c4c99be53664ebbd9e2756ce39c6aac82069
PDF
Publication page99c3148aedbe4a26eeda52a3508b1998890a9d57101bf3c4fd84fe94d62e5093
Manifesteb95eefb6bdc951eb948180b203603467627c6293a78327220df0c789cd24f1a

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
SignatureH7W/k+cuE54KlDhZL8ShOg2USwON5EEPOKuBc9KamrP4nUZFZO43MFwFXeuzx7XPyoZNF4/d1AVe2GJ5vE8HAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:27.778306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038121
observed 99c3148aedbe4a26eeda52a3508b1998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.761839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038121/manifest.json
observed eb95eefb6bdc951eb948180b20360346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.746451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038121/publication.md
observed e11efd6e8aac012877f9a773ce49c4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.730152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038121/publication.txt
observed 501423853669b82513362d138852cb12...
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.