OpenTechnical

OT-2026-000103779

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after set-down

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-2026-000103779) never changes.

Identity and time

Publication numberOT-2026-000103779 · never reused
Internal UUID01a0aea4-e463-78bb-817f-66d8b9263735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103779
StatusPUBLIC

Content hashes

Canonical text0e1612505eac43dbdfefc5e71a49581a0010dbf06611b94d903b5c0a595561ef
Markdown8ad546390729101e2d16dc95d774ffd45b953f833974f5b92fef0d9743e5ff60
PDF
Publication page1cdcc991043b4782ed4b598ca62ed6003126b4fa27562f1436e039dc8e4093d3
Manifest8d303b93fdc2e2624a722affb79d264273607d770e4b8d9012ce624db91b677e

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
SignatureiTectxS4PHiANYBRlpgHQ04IPj+EPi4fJVjLKC78XxvX6CJyIvFtahztoEUQEtM3hIBW/YJUz+hHpX98mI15AA==
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

2026-09-17T09:22:43.881420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103779
observed 1cdcc991043b4782ed4b598ca62ed600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.865292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103779/manifest.json
observed 8d303b93fdc2e2624a722affb79d2642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.849933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103779/publication.md
observed 8ad546390729101e2d16dc95d774ffd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.834703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103779/publication.txt
observed 0e1612505eac43dbdfefc5e71a49581a...
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.