OpenTechnical

OT-2026-000100653

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000100653) never changes.

Identity and time

Publication numberOT-2026-000100653 · never reused
Internal UUID01a0aea3-66f3-7c87-9c66-d4285f3a651c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100653
StatusPUBLIC

Content hashes

Canonical text0dd0016a4bfd86abf5c8ba37001ccaf1baadd78c71d04b816ea9409813381ac4
Markdown382ae38b9e95a33931c29f080880542d14fdbc3fd5d505b92d386b0d146720dc
PDF
Publication pagee324a000731613ba78cb473aa1aeeb4736a990e55430ae24e9b1e629a2513865
Manifest7a08cb9d6b4316e0414a4fb15aa27692d6acb317ca824a7d2fa570cfeb001d92

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
SignatureqGfv1X4m2r83mVn3uNCtAvPtuZ5CJN/vLt9syY1BG7F+qJh4MYe4RDxP2NFpr5Mipr8BDq1fLehF2ahkXPPeAg==
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

2026-09-17T09:27:27.591671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100653
observed e324a000731613ba78cb473aa1aeeb47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.572275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100653/manifest.json
observed 7a08cb9d6b4316e0414a4fb15aa27692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.553123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100653/publication.md
observed 382ae38b9e95a33931c29f080880542d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.534734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100653/publication.txt
observed 0dd0016a4bfd86abf5c8ba37001ccaf1...
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.