OpenTechnical

OT-2026-000085981

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained blow-off before set-down

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-2026-000085981) never changes.

Identity and time

Publication numberOT-2026-000085981 · never reused
Internal UUID01a0ae99-e82a-72c6-a9c8-008e6bbf4745 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085981
StatusPUBLIC

Content hashes

Canonical texta5fbb65d43a11c69bad545f897e7d908bd5a26afa1fe3d6588b90970f7c93c8f
Markdown5398fe8f070dc364c5e1043be737471539a090df10037afbcab0293920fdfce1
PDF
Publication pagead91388c628ab8ac3e7671eb1e88f5a703bfc315cab62f8b711a2e25b460baa9
Manifest400e30f3abb9f172c6d9b3eca1320a731fcb2ef308b8f3f71dc9fcbf64f4ee77

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
Signaturey5bR1K6/axyi/C4ers/YJCv9qIkebaKo42gxDJ0tinNUl8JzC40jr/cAcTvfgeEfg0uHdF56UhXoluUqVwnmCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:57.517868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085981
observed ad91388c628ab8ac3e7671eb1e88f5a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.499608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085981/manifest.json
observed 400e30f3abb9f172c6d9b3eca1320a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.480925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085981/publication.md
observed 5398fe8f070dc364c5e1043be7374715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.462877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085981/publication.txt
observed a5fbb65d43a11c69bad545f897e7d908...
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.