OpenTechnical

OT-2026-000076780

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000076780) never changes.

Identity and time

Publication numberOT-2026-000076780 · never reused
Internal UUID01a0ae94-b06f-79f4-af29-23eb52edce76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076780
StatusPUBLIC

Content hashes

Canonical texta05215cd96a6d921615bdb3f7a38567e44bc2d0dac07792e05d3efcc63deed27
Markdownd75f3bfa1706cce815113b4b5ad8e06251d18e08227ee3867fdc1e84d97fe5e8
PDF
Publication page6e073120a6f5fd7db01f94c5b3a30c2d6d7c78074d13e596fed1bf57082712f6
Manifest1b2c8e71781d792926699604806bde4ff4021dc417e45ebb3026123b4720ba78

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
SignatureJLLgrFUtHpVtcsHESvFS06puWh113CW2T8xvzLTLZoCncLhhkMavR1NK0L8wFLydKig/DexA1PEoC/sL7H9qBQ==
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

2026-09-17T10:09:38.605999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076780
observed 6e073120a6f5fd7db01f94c5b3a30c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.586377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076780/manifest.json
observed 1b2c8e71781d792926699604806bde4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.566533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076780/publication.md
observed d75f3bfa1706cce815113b4b5ad8e062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.547680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076780/publication.txt
observed a05215cd96a6d921615bdb3f7a38567e...
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.