OpenTechnical

OT-2026-000100998

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000100998) never changes.

Identity and time

Publication numberOT-2026-000100998 · never reused
Internal UUID01a0aea3-c377-72d2-aa8f-792915b2c968 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100998
StatusPUBLIC

Content hashes

Canonical text8d775f1d1d5873b251490462bad45dbe5b883cd49c9060c5ba50a332c6b32d4a
Markdownc5686e7d95422fdb59713cfc9e2a2908d7fecb7102181b2e88b2350e1cb01509
PDF
Publication page3ac1ea5a04b48f6c37e12ef04f196b3cc6ae76c733b36264ba80cd545e5adabe
Manifestdd4b2e0a74d263f2818fb0dab612ee35b4981dd88d0e74fac0b8ce56a65c8dac

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
SignatureGpze8IuTQJEsBcmkf9bn6zD0mCbmxeMSL2zOpXJMs4bBvXKcVno5iZ4JSEaprO4ME9lZ62vqsmbT6nUcgEEcCg==
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

2026-09-17T09:26:35.989630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100998
observed 3ac1ea5a04b48f6c37e12ef04f196b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.939416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100998/manifest.json
observed dd4b2e0a74d263f2818fb0dab612ee35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.920448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100998/publication.md
observed c5686e7d95422fdb59713cfc9e2a2908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.872109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100998/publication.txt
observed 8d775f1d1d5873b251490462bad45dbe...
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.