OpenTechnical

OT-2026-000085235

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000085235) never changes.

Identity and time

Publication numberOT-2026-000085235 · never reused
Internal UUID01a0ae99-43bb-7a3f-8f2f-f085b1d774dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085235
StatusPUBLIC

Content hashes

Canonical text1e308380411ea8fd5de391faf6f7b0ae72df790fe20cd6b81c581f31d50e6781
Markdownde844ca21422a8a7b2e75f62d9c47fad84ec9486ae0df0cf1556ed91541a5131
PDF
Publication pageb2c35e7090ae3a94ff84e98003dbd12fb69cb34b5a55a86102144ed6ba3a2dcf
Manifestc2830e3626a043b0290a12dff7fa6bacea40ba7c1bd17da80769a6aac4fc106b

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
Signaturek+2V1tHrZ56WJPofrqDI/oT2goRSTFeT3hHe2h+nvC8J2gPsO+pLB8bTMLC6+mEDXZiDNhif58nekyJYutASCw==
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

2026-09-17T09:55:19.989467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085235
observed b2c35e7090ae3a94ff84e98003dbd12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.973246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085235/manifest.json
observed c2830e3626a043b0290a12dff7fa6bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.955206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085235/publication.md
observed de844ca21422a8a7b2e75f62d9c47fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.936208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085235/publication.txt
observed 1e308380411ea8fd5de391faf6f7b0ae...
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.