OpenTechnical

OT-2026-000072762

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000072762) never changes.

Identity and time

Publication numberOT-2026-000072762 · never reused
Internal UUID01a0ae92-89da-7b72-9dbe-729981568afb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072762
StatusPUBLIC

Content hashes

Canonical text0147cc58c4bbb96b0132973647508d6f6ae7681c0eb5328bdb59fa25d0994a8d
Markdowncc05d8ef8cbd6fe2c50fc38d5392456b971fc986c5af8b183f3c7945d43b9765
PDF
Publication page5a7a0ce7a93ef229fcc0b9605083e1bd9fe281eb492815b36cf66780f66aaaac
Manifest0d75d65eedf675e62e099683b1eb6dd1bc604583a80783e553481d996b8968fa

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
Signature+8mVYhb/Zy1mJPMX2csnkttbGAZzP2eR0mw3l/jBCgwX2P3+i8G5Jw01kniyy9Qp57tdYYXuHW6R4GNphXFqDg==
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

2026-09-17T10:22:40.124204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072762
observed 5a7a0ce7a93ef229fcc0b9605083e1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.108799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072762/manifest.json
observed 0d75d65eedf675e62e099683b1eb6dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.091377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072762/publication.md
observed cc05d8ef8cbd6fe2c50fc38d5392456b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.074216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072762/publication.txt
observed 0147cc58c4bbb96b0132973647508d6f...
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.