OpenTechnical

OT-2026-000009574

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000009574) never changes.

Identity and time

Publication numberOT-2026-000009574 · never reused
Internal UUID01a0ae6b-7563-74ae-801d-13918ee6ccf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009574
StatusPUBLIC

Content hashes

Canonical textb0b46b4901660ded8dbb0d1f26c21f7d95aaafa781b331aaa7a3988c50768f30
Markdown97dba67def46bac2c6c9ebe5e3ec595a9469e7cfa0380367a652c1be0d0a22aa
PDF
Publication pagecdcabddf22b79f6e929a4eacb72a077e7095528ce8390d45cb45d087b74ae1aa
Manifestc779c3173b80d85c29eaec019ff7eae9d53cb9f4cda62156d06ac2097e10cbbf

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
SignatureqigM2JQyp/duTliVCa9auYWnmfORsctzEmwMmhLlgc/m73QFxM87Eek+GhTReNOTKg1afjRe6o0SyzdHxp3EDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:00.645082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009574
observed cdcabddf22b79f6e929a4eacb72a077e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.625932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009574/manifest.json
observed c779c3173b80d85c29eaec019ff7eae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.605297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009574/publication.md
observed 97dba67def46bac2c6c9ebe5e3ec595a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.586653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009574/publication.txt
observed b0b46b4901660ded8dbb0d1f26c21f7d...
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.