OpenTechnical

OT-2026-000061138

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000061138) never changes.

Identity and time

Publication numberOT-2026-000061138 · never reused
Internal UUID01a0ae8b-137e-7f46-9be4-93584a247cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061138
StatusPUBLIC

Content hashes

Canonical textc7c24c205cf34d18cce2e8262a0350357175f74d2f3b3abfafb752a432684946
Markdown0401f49f80c9c10e578121a1d226e8be9731f51e16bb0f97a0c8a2999424b0ab
PDF
Publication pagebb575467486f35487ca895fa8d6b6683a3c7345da5f045d060b50056c6a59433
Manifest75db357243f7a2bf33c46129f9b1a9311029902ee743f559667edc030fc2224f

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
Signature4VHBoXeYUEGDDyUymfFSUN1ApdLJFhrfvHzKBGWar87i2o/X2yNkB95MGdMgxezVlWpBFFRoAruPyNvFdNtPDA==
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

2026-09-17T10:42:31.070227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061138
observed bb575467486f35487ca895fa8d6b6683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.053248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061138/manifest.json
observed 75db357243f7a2bf33c46129f9b1a931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.032874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061138/publication.md
observed 0401f49f80c9c10e578121a1d226e8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.015249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061138/publication.txt
observed c7c24c205cf34d18cce2e8262a035035...
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.