OpenTechnical

OT-2026-000022087

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000022087) never changes.

Identity and time

Publication numberOT-2026-000022087 · never reused
Internal UUID01a0ae6f-bb5c-7c1c-8be8-869314be1c0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022087
StatusPUBLIC

Content hashes

Canonical text97e76c229c7848882e63c5c37a924e9a0bcc12b9d3592eb1105333b5196f13b9
Markdown093115fd2218a9de982df5723a139ab83381a514551bb870312b3d05e8cef493
PDF
Publication page6afee3e58936a884927f0058da24a6a137f5a80e13bbf415aef3586979fb99b1
Manifest0a9856d3cd0bf0a3d0cb99eaf381152937b7537fbf3d5262db2efc0e90b7169e

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
SignatureF+hwg9L1FaCkXLOZh5CL8q7ggMXRS/K5dMgFsGc/KHMSq01qjk/xO0SHR2vQuJ7U+FRRZ/iFLw9DPKskYIOlDg==
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

2026-09-17T11:54:47.047037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022087
observed 6afee3e58936a884927f0058da24a6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.029015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022087/manifest.json
observed 0a9856d3cd0bf0a3d0cb99eaf3811529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.010250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022087/publication.md
observed 093115fd2218a9de982df5723a139ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.991981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022087/publication.txt
observed 97e76c229c7848882e63c5c37a924e9a...
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.