OpenTechnical

OT-2026-000053034

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000053034) never changes.

Identity and time

Publication numberOT-2026-000053034 · never reused
Internal UUID01a0ae84-a430-7d01-b753-5f103034fa2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053034
StatusPUBLIC

Content hashes

Canonical textacdf367f0e065b9dab0253836f74e824f7c68425e0ed2bad5ce745798d5a9a98
Markdownb716f9511253126b9ef904d9d1a8273928df76053b0dc62b38d6be5fead091d1
PDF
Publication pageae026d2cbe5575a7069eef1681a68216a029769b6febea444a067e8009db4e80
Manifest972fa64bdbe9c848b8179a59e4b1b8259877e0fc4cb129bc2db0aaac9a328252

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
SignatureOjPtUQ+FXx3ZYcclcp00jsUVHXGMvqTn/4Qoc7SgXjOmdpEo28FTW7oyp2kBCtT7aTJuwQfCHZtTg4vCkDkwCw==
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

2026-09-17T10:56:44.374919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053034
observed ae026d2cbe5575a7069eef1681a68216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.356407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053034/manifest.json
observed 972fa64bdbe9c848b8179a59e4b1b825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.337099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053034/publication.md
observed b716f9511253126b9ef904d9d1a82739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.319766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053034/publication.txt
observed acdf367f0e065b9dab0253836f74e824...
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.