OpenTechnical

OT-2026-000054182

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000054182) never changes.

Identity and time

Publication numberOT-2026-000054182 · never reused
Internal UUID01a0ae85-b3a8-7c56-841b-e2f8638c2bdf · 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-2026-000054182
StatusPUBLIC

Content hashes

Canonical textfdc37c9fc21dcf2dddcea2c0b7e7effa3ee6dc5829818075452eab89e5dafba7
Markdowne46b5e5a8e4e69fd8c5a705dd4eae17c4c3725561d45f9aa9b767f53476910af
PDF
Publication page7d7c1aac29bb686f07e5773e55b6e17b8e3469d4f3807c1fdeed404e3ee368db
Manifesta5e46169eb399d2cadfb5a4b81370160806e62b2adfcccfdb1c4676d2eed5f09

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
SignatureAIFTVYZnHUN9cbbGvHSc2l1jqQ0QQD9JgSGQBrdrgfsYnLUIPQkpJaknMap7opAu5zRsXd43f3dQLLsKcoLcAQ==
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

2026-09-17T10:56:26.251694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054182
observed 7d7c1aac29bb686f07e5773e55b6e17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.228624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054182/manifest.json
observed a5e46169eb399d2cadfb5a4b81370160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.197628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054182/publication.md
observed e46b5e5a8e4e69fd8c5a705dd4eae17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:25.805421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054182/publication.txt
observed fdc37c9fc21dcf2dddcea2c0b7e7effa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:38.949589ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054182
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:38.935096ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054182/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:38.919557ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054182/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:37.904165ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054182/publication.txt
observed ...
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.