OpenTechnical

OT-2026-000085340

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000085340) never changes.

Identity and time

Publication numberOT-2026-000085340 · never reused
Internal UUID01a0ae99-aaaa-7ec0-967f-c34c764f4d2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085340
StatusPUBLIC

Content hashes

Canonical textf8cc091d0467f5ef703efa72e36bdcd2f54d57dbcb9a411a5a70ae7501607e72
Markdown65893f171ac6ad546c54fb7d9a7f5fc0b091835d2514cd9c4feb2e6e87c785dd
PDF
Publication page4427aa45020358e397c9b6a5ba5f5aa39deaf01778180707ec8f78712d94c0d4
Manifestf542cbe3997b90d8fedcd1185ba594768b81128e1ec3b2c58785351349ea8a43

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
SignatureMWibL6EeIqW0VPi0qmfnkYpoWaipoFPEXFMoCcYThP0A7sf1VE78XFBm+1dwmO0CYvqX20I2Cl/diPHQf5vtAw==
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

2026-09-17T09:54:04.102788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085340
observed 4427aa45020358e397c9b6a5ba5f5aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.083156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085340/manifest.json
observed f542cbe3997b90d8fedcd1185ba59476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.063439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085340/publication.md
observed 65893f171ac6ad546c54fb7d9a7f5fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.014601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085340/publication.txt
observed f8cc091d0467f5ef703efa72e36bdcd2...
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.