OpenTechnical

OT-2026-000101001

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-2026-000101001) never changes.

Identity and time

Publication numberOT-2026-000101001 · never reused
Internal UUID01a0aea3-c377-76c2-a061-d13707c9df03 · 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-2026-000101001
StatusPUBLIC

Content hashes

Canonical text6da2ad5135832758c3e16c819de91bca475a0ed18f64f97ae3d655edac24af07
Markdowna072e9d4e63ccc59ec6f5eb40e5b3b75117829225e90fde42e98bbc378b79827
PDF
Publication page53fc30c176df2703ad0307a1e4f1cdfe1d879a41bd5a738868802824015a1992
Manifestde30ca3f63e8af57e090eb90162ef0d9b8c6916fea414026c591321ad4a56b8f

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
Signature76WngL4w5BQzajQoOd/A+zmlB2uDm7I26PT1MmPyJNlK2cWTggb4KaGIS9JbBXEvI+I6tmkSmN2Twcck0ljBAw==
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

2026-09-17T09:26:36.216149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101001
observed 53fc30c176df2703ad0307a1e4f1cdfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.195982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101001/manifest.json
observed de30ca3f63e8af57e090eb90162ef0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.178087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101001/publication.md
observed a072e9d4e63ccc59ec6f5eb40e5b3b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.161654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101001/publication.txt
observed 6da2ad5135832758c3e16c819de91bca...
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.