OpenTechnical

OT-2026-000061026

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000061026) never changes.

Identity and time

Publication numberOT-2026-000061026 · never reused
Internal UUID01a0ae8b-12f9-79e9-9533-fc6f059358ea · 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-2026-000061026
StatusPUBLIC

Content hashes

Canonical text148b341467eb00f5542192eba40dd8114b2988eac9f8f887afa3de274cced412
Markdown7adfc1f029cad89d308ef65b3a07f2b9d8a2d23f5a027b86ebb80c5b16d178bb
PDF
Publication pageaf0a1d14c07849a45f9831c7d6b18628abd80622d1517852ecd9702de7f314d9
Manifest4873df9de4a3d8016f01fe70be2e54152041ebf242246a3407d16e8cc61432d5

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
SignatureL976pgG5YSdhUCEQ+roQonecxDqkq2JXni6Hq3AXubhzXP8dRBEHsXZHP9OiX01nR+lxT1uhnMCOBurTPvjTAQ==
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

2026-09-17T10:42:22.419082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061026
observed af0a1d14c07849a45f9831c7d6b18628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.400525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061026/manifest.json
observed 4873df9de4a3d8016f01fe70be2e5415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.382940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061026/publication.md
observed 7adfc1f029cad89d308ef65b3a07f2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.365597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061026/publication.txt
observed 148b341467eb00f5542192eba40dd811...
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.