OpenTechnical

OT-2026-000057589

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000057589) never changes.

Identity and time

Publication numberOT-2026-000057589 · never reused
Internal UUID01a0ae88-2693-77de-a412-c866e148063d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057589
StatusPUBLIC

Content hashes

Canonical text9636c740cd713f66cea320825534b4f55a5594cd08d5b31606606c920c008a5f
Markdowned8df567b2727e52f7eabd669cc764fd1875b03d2cc824882964a8cc109c7896
PDF
Publication page44ff1812c13687786de8927a88a2e89a5d93acb04a1f97201d24f3ba1e4ecccf
Manifestc02090c4a827ea38fd5eb2ab22d92437053d7d418972e84f5feaeed948484319

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
Signature9i7gLIi9TgoJ/qs5exen9BKPfTtngp01iGgdDs7MzCm4DNS0/ujfq5nTG7zArSQiqkMZLZRbV5wkACuVcTgwBA==
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...

Independent retrieval

2026-09-17T10:48:08.290871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057589
observed 44ff1812c13687786de8927a88a2e89a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.272132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057589/manifest.json
observed c02090c4a827ea38fd5eb2ab22d92437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.251697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057589/publication.md
observed ed8df567b2727e52f7eabd669cc764fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.232549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057589/publication.txt
observed 9636c740cd713f66cea320825534b4f5...
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.