OpenTechnical

OT-2026-000084577

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000084577) never changes.

Identity and time

Publication numberOT-2026-000084577 · never reused
Internal UUID01a0ae98-e25b-7d80-abeb-bf0ca8bb514d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084577
StatusPUBLIC

Content hashes

Canonical text1d85d76382521f66480e88351424719419b68dd088340a0f1d32dd729354c2d2
Markdown3de1d15829ef6761c84e65420a351f090f47c1b102965a0a7f82680304a0a51a
PDF
Publication page29c0d4ddae600463bdb1b298510c10add6a4f90cca5ff3f9b0a7443a311858c7
Manifest634527276b7966e74354eab0b03022a5af933129e38b91dae086b7a1418c360d

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
SignatureKnu9E8skJEzdHFN12BSE+d55ys/AZm/0Cn0/2HVZep0uCw0W818Yv8zkfo5n71Pa5DfQSPGgDIyNzm+qrsNMBA==
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

2026-09-17T09:55:28.528577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084577
observed 29c0d4ddae600463bdb1b298510c10ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.511081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084577/manifest.json
observed 634527276b7966e74354eab0b03022a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.493532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084577/publication.md
observed 3de1d15829ef6761c84e65420a351f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.475894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084577/publication.txt
observed 1d85d76382521f66480e883514247194...
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.