OpenTechnical

OT-2026-000056214

Publication integrity record

Foam pad vacuum gripper, 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-2026-000056214) never changes.

Identity and time

Publication numberOT-2026-000056214 · never reused
Internal UUID01a0ae87-4bd1-7d13-807b-de77e3155470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056214
StatusPUBLIC

Content hashes

Canonical text7b3fcb4f834e7646bf2a88f224fa38aaf0143fc7a6ee20049541b5410373594e
Markdown339c3eb991a6e3233f5298a6614a2f289c95b43c1b88e5e6838eb3e0e8cc41bb
PDF
Publication page3af6aacddf8ee0fb2587db4545bd49c208b1d65aa8d9d157f203dfe217c2949a
Manifestb7071e4153bb52c7d2c5ecd196c5417da830334fded0c9fb062e94652650b90c

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
SignatureTcZN9q32wam/vVvGRuRvQ1+06KlAGh6O9N+nb2sZxVqacoPiMO9CR0hNbCEJKsGgPtdNRKrFO5K7aX3dVa2fCQ==
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

2026-09-17T10:50:41.323516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056214
observed 3af6aacddf8ee0fb2587db4545bd49c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.306252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056214/manifest.json
observed b7071e4153bb52c7d2c5ecd196c5417d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.288367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056214/publication.md
observed 339c3eb991a6e3233f5298a6614a2f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.270963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056214/publication.txt
observed 7b3fcb4f834e7646bf2a88f224fa38aa...
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.