OpenTechnical

OT-2026-000079075

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000079075) never changes.

Identity and time

Publication numberOT-2026-000079075 · never reused
Internal UUID01a0ae95-ccbf-7a88-b113-5d7becd28d35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079075
StatusPUBLIC

Content hashes

Canonical textb2717b31c9f18b999109e2034087f9410850ffecb9e920b506a528c4ada8e8cb
Markdown6414c23339800c50a486cbb483ac14512771260f1160f0bb8e1d7d4255bfd1b4
PDF
Publication pagefa0821d95d89883c5585742fb1887350f56091094957b8a1a4458e4f2768c9cb
Manifest6c0b3b3dfce7b9a0c2418528147fca68c5c1ea6c805928c69fe7a6a053a0095a

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
SignatureKLWppxDFQ9Bit3SF23PBsLyaGocSJZghV03Qoq0V4z9GW7MUD8AgWBtljHujTXKEjRepOoUzZGVBxmOJae7tAw==
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

2026-09-17T10:05:55.148783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079075
observed fa0821d95d89883c5585742fb1887350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.127630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079075/manifest.json
observed 6c0b3b3dfce7b9a0c2418528147fca68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.109634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079075/publication.md
observed 6414c23339800c50a486cbb483ac1451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.089773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079075/publication.txt
observed b2717b31c9f18b999109e2034087f941...
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.