OpenTechnical

OT-2026-000079605

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000079605) never changes.

Identity and time

Publication numberOT-2026-000079605 · never reused
Internal UUID01a0ae96-0b92-76be-b268-15a9315bb6b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079605
StatusPUBLIC

Content hashes

Canonical text17cb882e5d1faeb8613adca2202dbb81b0116399b197920d8f8d1f14233374a6
Markdown79d497e286af09bd72c5f7ea37d11ffdb3d69c0149a75cb4d0871346faf30ad7
PDF
Publication page99cb4ecdf191742e1c655f390c6f21a13166d6499a93a9cb33aa7b58ca7080bc
Manifestf788002c8f070d41b436637e81cf2ca037d6ba25beb4929c4f6a9a3f97a32465

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+ZgkaV4xoeoRNyi5CY2XzL5c7fMiyMDangK0phjSF62anwp10rniuShRLCMJhdHN1Srcy1SnPFaT/fxNfmmLAA==
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

2026-09-17T10:04:08.668217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079605
observed 99cb4ecdf191742e1c655f390c6f21a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.651405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079605/manifest.json
observed f788002c8f070d41b436637e81cf2ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.633872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079605/publication.md
observed 79d497e286af09bd72c5f7ea37d11ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.614539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079605/publication.txt
observed 17cb882e5d1faeb8613adca2202dbb81...
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.