OpenTechnical

OT-2026-000069202

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000069202) never changes.

Identity and time

Publication numberOT-2026-000069202 · never reused
Internal UUID01a0ae90-6dcf-746c-b5bf-9b2b8b911012 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069202
StatusPUBLIC

Content hashes

Canonical text934f1c19cdaaa50cdbbfe22c77702d4b716431b9b69bc32f7f23a5796138faab
Markdownd4b2535cf26e02d2a4d20d1d6719bf3c8e1998b3972f24bb7a921027c1375342
PDF
Publication page5e42d5430dd6127ebd224e4c2b21cb85a0e8aef12516df13667f389e558f4fa1
Manifestabfbe0ba520bc73936e517ddd5b226087c384957e48c80db8f74212e44a1fea0

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
SignatureNE2HRjIyqzAeYjvefe7dFbdfiKVpqsjHJ7vABG4kPRmJHjk36mvqx//i9zpilavWLGwjYJij5c8864WjKaThCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:12.639198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069202
observed 5e42d5430dd6127ebd224e4c2b21cb85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.616031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069202/manifest.json
observed abfbe0ba520bc73936e517ddd5b22608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.596223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069202/publication.md
observed d4b2535cf26e02d2a4d20d1d6719bf3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.576660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069202/publication.txt
observed 934f1c19cdaaa50cdbbfe22c77702d4b...
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.