OpenTechnical

OT-2026-000022451

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000022451) never changes.

Identity and time

Publication numberOT-2026-000022451 · never reused
Internal UUID01a0ae6f-f4fd-7b39-916a-ba2b423d3482 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022451
StatusPUBLIC

Content hashes

Canonical text3a3fc5e4d1550194efc17fddf6ec04436a891d915ef9bd59411b83d51bcbac17
Markdown9af8f2840e3b9da35f36099b04182bc3dfbc3bbeea672a9bdcada33a3e65d402
PDF
Publication page1821446abf6754731b60134365293566f926f06146ea3edceddbca9e75be5ac4
Manifest8d96079c5fe41899818e9046dafeeef24d23ed46eecd21a4186a2e4a7221be5f

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
SignaturewGkFIDt8Vq6GilugzX7awJsvVxiOXuPB+NKJpAMExLzM7amjXkOUovi1QJpDnaL/jSFFYdo8zVsOVnqQS6i9BA==
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

2026-09-17T11:53:50.860902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022451
observed 1821446abf6754731b60134365293566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.844354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022451/manifest.json
observed 8d96079c5fe41899818e9046dafeeef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.826274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022451/publication.md
observed 9af8f2840e3b9da35f36099b04182bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.810095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022451/publication.txt
observed 3a3fc5e4d1550194efc17fddf6ec0443...
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.