OpenTechnical

OT-2026-000062078

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000062078) never changes.

Identity and time

Publication numberOT-2026-000062078 · never reused
Internal UUID01a0ae8b-b8b0-7a53-9747-54bf235b8497 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062078
StatusPUBLIC

Content hashes

Canonical textd76a2f06d529d8e567c4e537248e62671bc4e4d63b883b05ae0182ea3715cab3
Markdown6b069b6fb96587d60e309ec2d61eb0cb6ba3ce5f04a3077aafdff17ce96575ac
PDF
Publication pageb2bcbee2c1ef9653dc767b85c87673ce59ea86b9239912dd8ea74d067ac9ff4d
Manifestce180ac11c194547183a81757e7600a0453f4417c3dd53f0f45931170673e77d

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
Signature5sqyistMVPh4NStYjjlx0w6KI2on2OFvOZbXBtkrh8Gn4m/+1VHECjQl8GkDo6ScjkrxIQqely+oCDQxcStzDQ==
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

2026-09-17T10:41:07.739481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062078
observed b2bcbee2c1ef9653dc767b85c87673ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.720415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062078/manifest.json
observed ce180ac11c194547183a81757e7600a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.703787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062078/publication.md
observed 6b069b6fb96587d60e309ec2d61eb0cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.684859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062078/publication.txt
observed d76a2f06d529d8e567c4e537248e6267...
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.