OpenTechnical

OT-2026-000095880

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000095880) never changes.

Identity and time

Publication numberOT-2026-000095880 · never reused
Internal UUID01a0ae9f-fac7-70d7-a696-3498cfb68509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095880
StatusPUBLIC

Content hashes

Canonical text6887506f0a8fec6f45a2f255fd3a5453f777fbe19e555fb820fb5a94cee0dd6e
Markdownefa96ffb7e45146d44d37784156342e0c3e83f3eff0ba498377c748444c8e58d
PDF
Publication page127b6a040165744d5bdcc484dda1f4c7bdfd660e6642f91ee9b9147b08f374d1
Manifestf7f09f71f51d50136e473e086d96d6b062fec83ff697b54d8ff8c18015a9a08b

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
SignatureyDTbyQJgUUPdfm/f1rGo0PacXXwd7QPaJmFyOINKaLxi5yANIspoZ7ELmQ4soEhN1vMc0QtWz24E5VEEBMlbDg==
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

2026-09-17T09:35:58.204989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095880
observed 127b6a040165744d5bdcc484dda1f4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.185947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095880/manifest.json
observed f7f09f71f51d50136e473e086d96d6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.167470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095880/publication.md
observed efa96ffb7e45146d44d37784156342e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.150173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095880/publication.txt
observed 6887506f0a8fec6f45a2f255fd3a5453...
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.