OpenTechnical

OT-2026-000054321

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000054321) never changes.

Identity and time

Publication numberOT-2026-000054321 · never reused
Internal UUID01a0ae85-b3a9-7cd0-abce-6df764d2db1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054321
StatusPUBLIC

Content hashes

Canonical textec59582364af610af0133ceae2c8514d0cb795891e912bf42c1470af452300fa
Markdown24feec2e7e26d89f644a2b98f141400c0977c76805baf366319e2ca519181ba7
PDF
Publication page710d6a176f307bd803b8328c0268089f41133fb502e36ea2fc11549d7f1dad15
Manifestda1625593698e3a3f7950d057b0ba30dfe98f8dc45ae5b9dd1d58c8058da4878

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
SignatureoXc/XudvtISirLrTI/896LSg3Fa4/33dRycR0M/RMQQhwPANbi9guu2Ch7adzAWrFHaR470mRqKKMqiz8TsADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:49.843834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054321
observed 710d6a176f307bd803b8328c0268089f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.823700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054321/manifest.json
observed da1625593698e3a3f7950d057b0ba30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.803562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054321/publication.md
observed 24feec2e7e26d89f644a2b98f141400c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.783284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054321/publication.txt
observed ec59582364af610af0133ceae2c8514d...
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.