OpenTechnical

OT-2026-000057601

Publication integrity record

Single cup 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-2026-000057601) never changes.

Identity and time

Publication numberOT-2026-000057601 · never reused
Internal UUID01a0ae88-2694-7f2b-a96d-d34a501324c9 · 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-2026-000057601
StatusPUBLIC

Content hashes

Canonical text920e37a0eb172c2d29a6529fff1f46bd787d5fd74552776747f203289903d979
Markdown55499f200d4ba885f3d1143203f2bcb7385a8f98d9d647a26d1c3d0ab046ecaa
PDF
Publication page8617f9fbf2695180338616d0ea7ff75008f061895b0a4350169ac88a7d9b8526
Manifest12595302296e159c473a0f2651acf917ea0cdb4c037df0bbb4386522d9e173e4

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
SignatureSB/BPBTlp8wcM8TIj3IY57c9noky+906gTHjVOFC6Cl9S7BwOAe3HjJWURQpO+5DookbMQ/NYbKn1FqCUhQTCg==
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

2026-09-17T10:48:09.234069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057601
observed 8617f9fbf2695180338616d0ea7ff750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:09.214525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057601/manifest.json
observed 12595302296e159c473a0f2651acf917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:09.193706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057601/publication.md
observed 55499f200d4ba885f3d1143203f2bcb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:09.172954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057601/publication.txt
observed 920e37a0eb172c2d29a6529fff1f46bd...
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.