OpenTechnical

OT-2026-000006679

Publication integrity record

Porous face vacuum gripper, ejector fed, contact triggered, 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-2026-000006679) never changes.

Identity and time

Publication numberOT-2026-000006679 · never reused
Internal UUID01a0a963-accf-7eb2-95b8-f776a2ee83bb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:36.946132Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006679
StatusPUBLIC

Content hashes

Canonical text9da9b5625b1edcafe8db5eb8e46f4df9b2b2212334d477f1dff0a138542c6418
Markdownb35f22dcb22199f6bccbc8b0d86a52a0745fcf91110a3e9d59dcb048b11d817f
PDF
Publication page5976a9216a6d2849e5f16d721913d7115b0e97ec6b3f6b3e578fe29337fe49ad
Manifest384207a0759f5113bb0ab2ee5214418cc09af938fe2859fa763c2063969688f3

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
Signature7BLpsbhN0LKABgpwI1sb8g8b7zBPomdfghmOfifvAh8ijyLhK52eNpB1F6ltDiSiq5jIb3q0jccvOmJzcT8wBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:18.180950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006679
observed 5976a9216a6d2849e5f16d721913d711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.167743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006679/manifest.json
observed 384207a0759f5113bb0ab2ee5214418c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.155587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006679/publication.md
observed b35f22dcb22199f6bccbc8b0d86a52a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.139931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006679/publication.txt
observed 9da9b5625b1edcafe8db5eb8e46f4df9...
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.