OpenTechnical

OT-2026-000084211

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000084211) never changes.

Identity and time

Publication numberOT-2026-000084211 · never reused
Internal UUID01a0ae98-5b60-7f59-93fc-c371b5f1a5d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084211
StatusPUBLIC

Content hashes

Canonical textaae12f91964d424ce4ee0ffafa61f6213b4b4a839fbe7190536451af9e081613
Markdown6bec409325065745223249f4a46a617719ba8fd4fd9cd07518e8c1ef5ea0a421
PDF
Publication page9d6fc163a5e63874ad578d3c999e69c1e9925e22183384a09f723482943bbd73
Manifestc18f6012757ac5448f56824cad73f2e7769391d9e319dfdd64ffec90a582f67c

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
SignatureoCrzD7P2kFPnMyJr5C1ZIXZsOOkf/feeO8tREHdT4h9sKasxzLDugNRGc8Zsqmcn/xLeuG512bKMPganZzFcAg==
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

2026-09-17T09:55:59.855939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084211
observed 9d6fc163a5e63874ad578d3c999e69c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.836407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084211/manifest.json
observed c18f6012757ac5448f56824cad73f2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.818377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084211/publication.md
observed 6bec409325065745223249f4a46a6177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.799651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084211/publication.txt
observed aae12f91964d424ce4ee0ffafa61f621...
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.