OpenTechnical

OT-2026-000076047

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076047) never changes.

Identity and time

Publication numberOT-2026-000076047 · never reused
Internal UUID01a0ae94-6a6e-7ed8-997b-beafcc57b5f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076047
StatusPUBLIC

Content hashes

Canonical text1a9974068a1f1d7b999e74376a94a6303cbb2482af9b389c2c3c541b916ca23c
Markdownd0a91a480fe1d5dab5c25746772013f2c93678d3fb5eed350073bff53a6a0342
PDF
Publication page6f2cbea4f1249188253dfe36a1003e21d160057d76e74e736cff1b2e59e65727
Manifest8e23c41c3b91ec255566f921f10ab643b8c1af4b6b0eaed1927da68d1ed573c3

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
SignatureBxazWcS9O5pp0pcoIpnLlVQWPUkkoj3GXGIubvQXfTVPJ+yKBb9y8yf8i4zKoviDDwiBRtRL0LT7Cg4MYGnmBA==
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

2026-09-17T10:10:32.248133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076047
observed 6f2cbea4f1249188253dfe36a1003e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.230007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076047/manifest.json
observed 8e23c41c3b91ec255566f921f10ab643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.211789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076047/publication.md
observed d0a91a480fe1d5dab5c25746772013f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.192442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076047/publication.txt
observed 1a9974068a1f1d7b999e74376a94a630...
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.