OpenTechnical

OT-2026-000103604

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000103604) never changes.

Identity and time

Publication numberOT-2026-000103604 · never reused
Internal UUID01a0aea4-e461-7f02-9461-ae0e270f8136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103604
StatusPUBLIC

Content hashes

Canonical text6454840dc42217059454e3a5a5ab422de485d78982383dff9d860e7de9e47165
Markdown95b13ecc677cf3c0f5e6bdd72bbb37985eefa5e0c1c051770ee3b7290de5ae6a
PDF
Publication page232e8a0b338a5b179feae25c303f374f9cfb584724c30260bcfdace345bf3a7c
Manifestb74c60a7aab23b792a709124ac53ff39c2ffb7eb25edf8672c010e1fb587da7a

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
SignatureHFMD1huFHUxKDILSANmqxYeJbAOEaiuMuwwWpGYcY70gvLzfaKclSpmDtAh/mhN2MbOutXLInnopyX84W3HxBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:23.644863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103604
observed 232e8a0b338a5b179feae25c303f374f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.627265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103604/manifest.json
observed b74c60a7aab23b792a709124ac53ff39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.612075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103604/publication.md
observed 95b13ecc677cf3c0f5e6bdd72bbb3798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.595737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103604/publication.txt
observed 6454840dc42217059454e3a5a5ab422d...
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.