OpenTechnical

OT-2026-000102963

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000102963) never changes.

Identity and time

Publication numberOT-2026-000102963 · never reused
Internal UUID01a0aea4-be3c-7052-b1cc-734363bac469 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102963
StatusPUBLIC

Content hashes

Canonical text8a61b90171cada206f06615dbdb6635abb2e55df02f371df7c133a21dbd48513
Markdown8ea5ab223380dca4c8010ba1217426f3f4359ae2a900f6230db1602f53a1c0e0
PDF
Publication page3b587b4567ef2869ed309c9f41c08d4018df48f8723c54b76ccd3bf994092c4b
Manifest811f91069ce52bdfde10990f9620b7e26d0127feeb96f41a96eeb1c3e39f7b29

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
SignatureQulJG4N/z3X9WKz2QzHGrgyYeoBGx2e9+sJHUQ4bxDuWE+RKOvs6VzfwtAM9/PC5mHv5ncIAReFkqOGrmXesBw==
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

2026-09-17T09:23:04.345707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102963
observed 3b587b4567ef2869ed309c9f41c08d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.327194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102963/manifest.json
observed 811f91069ce52bdfde10990f9620b7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.309112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102963/publication.md
observed 8ea5ab223380dca4c8010ba1217426f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.290964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102963/publication.txt
observed 8a61b90171cada206f06615dbdb6635a...
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.