OpenTechnical

OT-2026-000079861

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum 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-2026-000079861) never changes.

Identity and time

Publication numberOT-2026-000079861 · never reused
Internal UUID01a0ae96-4376-75b9-a483-e11eac84435a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079861
StatusPUBLIC

Content hashes

Canonical texte4183c0733d90cdd02e7b673e465802db7325b62deb1420ee4f71c6021d73c7e
Markdown27a6f74850c9a5ba8451ca614fd9f40d33cf314ba3bd062461436fc8ce199e77
PDF
Publication pagea38d29141e7226a25e4917f7d13f1d47ac718be3ce167b060b8a52d060412462
Manifest734052f30d3e667de8e6562d650226527aa431b7691023f23f2e44ba085a0c21

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
Signaturej/8p+msw8UC2JxnbnnHIZNbrE+FKruoLgqoss9qz2zJsg9DLK+PyDSd5WAx/NDk+3exrq2pna8g0NlHbiKL0Dg==
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

2026-09-17T10:03:45.121397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079861
observed a38d29141e7226a25e4917f7d13f1d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.100400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079861/manifest.json
observed 734052f30d3e667de8e6562d65022652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.082882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079861/publication.md
observed 27a6f74850c9a5ba8451ca614fd9f40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.065329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079861/publication.txt
observed e4183c0733d90cdd02e7b673e465802d...
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.