OpenTechnical

OT-2026-000086791

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000086791) never changes.

Identity and time

Publication numberOT-2026-000086791 · never reused
Internal UUID01a0ae9a-80a4-74ac-bc74-17e2674b98ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086791
StatusPUBLIC

Content hashes

Canonical text351fdd7e091204fd1fb9de2bb2a342d64ea0401739628ec0397994418a49c627
Markdown91effb514414b24e4cec1930677bb6c3a268aa80078418aa02f4a42b75d83430
PDF
Publication paged22b25d7a491b941aeb8d55078c8aff656269fcbf96bef5a81b4d33d19ca9205
Manifestc39c40edbf37b08b7518c4124271072d9bc4551157c2f50884bb3a90798c9f9e

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
SignaturewvAMb85L1EGh91ccL6r48U8C28tL0IJHIPX3kGC0Q7a1gLipX9lbygjtQ+fyh89n1MYSXsmytheD00W9QtnGBw==
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

2026-09-17T09:51:36.111526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086791
observed d22b25d7a491b941aeb8d55078c8aff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.094890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086791/manifest.json
observed c39c40edbf37b08b7518c4124271072d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.078654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086791/publication.md
observed 91effb514414b24e4cec1930677bb6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.062618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086791/publication.txt
observed 351fdd7e091204fd1fb9de2bb2a342d6...
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.