OpenTechnical

OT-2026-000033550

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000033550) never changes.

Identity and time

Publication numberOT-2026-000033550 · never reused
Internal UUID01a0ae75-a38e-7cd5-bf13-a0cea01f7039 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033550
StatusPUBLIC

Content hashes

Canonical textf140b12fdf84c9c9103c137ea2717a3af43c0ad0e0bb847563c07ac3cafeede9
Markdowne87d1d33250a94c80ff263d404fbbbdf2cfefcad14a100255da5b8bc5a84574c
PDF
Publication page97123a50a1cf822fbfe0258e3f11eb6f811d291e11ed7cf78a79c5bd8f21f98d
Manifest8b6f70bd6cac9b68ab6fb7d9244e82eba5103fb14f3384ae67c3773b57c4ae82

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
SignatureWDaeeqIcvaPcGbfpQ99WPl1xHQNPLLcx5nccRqeSaMrWWVQsH7SEVgm8Xx33IS10t14623cWJyMs8x7AsqPKAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:24.875544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033550
observed 97123a50a1cf822fbfe0258e3f11eb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.859698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033550/manifest.json
observed 8b6f70bd6cac9b68ab6fb7d9244e82eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.841451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033550/publication.md
observed e87d1d33250a94c80ff263d404fbbbdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.820720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033550/publication.txt
observed f140b12fdf84c9c9103c137ea2717a3a...
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.