OpenTechnical

OT-2026-000009928

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000009928) never changes.

Identity and time

Publication numberOT-2026-000009928 · never reused
Internal UUID01a0ae6b-cb79-7647-a579-c0a5a1e1ada4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009928
StatusPUBLIC

Content hashes

Canonical textcb4e11789be3f07ebd605b057505cdd4fec51676e643b5951c1558be18d8f18d
Markdownf3e0d8a20f9bf60498c04620faa7c3d4dd9b2a38f079e2df9dfcd9f43dc7e396
PDF
Publication pagefecd877c5788a222a3e5fa1b52100f335bb26da94f08940b705655b7a75c90ef
Manifestebeac7b539564bf0cd959304e9a2c87e174c9a8c6fb93190168999f311ac0206

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
Signaturenj+IkjRNhQcxND4TqUlmAgWQutfREOYAHqnfYMmEKNWyYKLXWPX+Re+cItvMCF8KH+/5MbzJTB0ZgR46H5kvAw==
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

2026-09-17T12:15:57.039777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009928
observed fecd877c5788a222a3e5fa1b52100f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.017458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009928/manifest.json
observed ebeac7b539564bf0cd959304e9a2c87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:56.997888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009928/publication.md
observed f3e0d8a20f9bf60498c04620faa7c3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:56.978391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009928/publication.txt
observed cb4e11789be3f07ebd605b057505cdd4...
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.