OpenTechnical

OT-2026-000027242

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000027242) never changes.

Identity and time

Publication numberOT-2026-000027242 · never reused
Internal UUID01a0ae72-3454-7d45-a6ab-609e6f092a2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027242
StatusPUBLIC

Content hashes

Canonical texteb2cf0db672ee8f03abc79edc83ed2c3c5c47df3c2582fdf58a2a45951240e4e
Markdownf548794c9b87a93f97b3d03d348f22b25a6b06a0858f2168a08f958010322c07
PDF
Publication page70085a97c2778adb47a6a89b467db0798719020d3b8ea91640e5d29c81d87208
Manifest34495c66ac25bc7fc5f2b35879c19d2c39e162637bbc30380c3b18eb56a027ac

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
Signatureiyl5FXh1aK+ns545YT8uu2pJoQwoZtRYmkeAucCJf87U4TBkDJ7feEfsp/N09nCBVp3Sqq4hcx1IcxCzXqc/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:44:08.299375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027242
observed 70085a97c2778adb47a6a89b467db079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.281523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027242/manifest.json
observed 34495c66ac25bc7fc5f2b35879c19d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.263788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027242/publication.md
observed f548794c9b87a93f97b3d03d348f22b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.246169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027242/publication.txt
observed eb2cf0db672ee8f03abc79edc83ed2c3...
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.