OpenTechnical

OT-2026-000102056

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000102056) never changes.

Identity and time

Publication numberOT-2026-000102056 · never reused
Internal UUID01a0aea4-50f2-7b67-9139-46a2f9983860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102056
StatusPUBLIC

Content hashes

Canonical text7c3c24fce6d27a8a62a8012d25ff8051ad15a65eae7a46bf610294331b09dbb9
Markdownd59c5b92523649d610228cbe8ed9460c71d8a236796953688366bbcfeee99239
PDF
Publication pagee3e8c5c1d64a50d22cc3a5f43ce3e4d9077ee045a92498ea0727474a1dff151e
Manifest4c535d0b6b29089b1ebbaf21f407641cc677b33c348929f8a707e0868ec12451

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
SignatureQDoPmP8Gs/myw+BPDWLm0cDAh/GwNahL6PMaLz+mgqe3qLSWQ3+2jjdUka5b4sO9+nIisJK7FZ1QZ9c1G5wsAA==
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

2026-09-17T09:25:11.923597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102056
observed e3e8c5c1d64a50d22cc3a5f43ce3e4d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.905911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102056/manifest.json
observed 4c535d0b6b29089b1ebbaf21f407641c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.888925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102056/publication.md
observed d59c5b92523649d610228cbe8ed9460c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.872198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102056/publication.txt
observed 7c3c24fce6d27a8a62a8012d25ff8051...
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.