OpenTechnical

OT-2026-000099978

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000099978) never changes.

Identity and time

Publication numberOT-2026-000099978 · never reused
Internal UUID01a0aea3-1474-767f-bfd2-f8dce7569a0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099978
StatusPUBLIC

Content hashes

Canonical text49220864843a7d171d971d607be354d54fd88754767c504deb0f3c1e403b4514
Markdown054882e8635c9456ac5e05ff27b60aac2e5bd13243359f6cd08406af590a6525
PDF
Publication page646a776ac495b62271ecb3f73cd307172e2f81061e17d04772a3c2d32e108c0f
Manifestdfa7f7a03de88823c8a2b35d1a0ff85d86d888294b1e4b6d465f6a656cd3bad4

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
SignaturesPlZql7m1/p24wAx2ez9H9kWVJXzep7bjIiLgrp8xO0NBpziOlluFopJBn3uMK4MEqxLHMxOv1GGs+wPQlKwAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:40.829376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099978
observed 646a776ac495b62271ecb3f73cd30717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.809599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099978/manifest.json
observed dfa7f7a03de88823c8a2b35d1a0ff85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.790019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099978/publication.md
observed 054882e8635c9456ac5e05ff27b60aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.766154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099978/publication.txt
observed 49220864843a7d171d971d607be354d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.179300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099978
observed 646a776ac495b62271ecb3f73cd30717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.160756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099978/manifest.json
observed dfa7f7a03de88823c8a2b35d1a0ff85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.142153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099978/publication.md
observed 054882e8635c9456ac5e05ff27b60aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.125525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099978/publication.txt
observed 49220864843a7d171d971d607be354d5...
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.