OpenTechnical

OT-2026-000068443

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068443) never changes.

Identity and time

Publication numberOT-2026-000068443 · never reused
Internal UUID01a0ae90-2481-7a61-9a52-e2a5a7f34335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068443
StatusPUBLIC

Content hashes

Canonical text1deda5dd45e741b9b94a0e861e7de990eabceb89f46b08dbb4dfb57a2c3794d4
Markdown698535835ed2fe2a8ad39629a528baf84671218dbf6bf3a7d800d04ad769af4b
PDF
Publication page5f9b8ec9cd0548f73264463f332e665957402de0f5bf27e3b505c0fa5b0fb2fa
Manifestd7d9f3d6212d9e1971c46460ad1ae17303cd0e9a2e46d0fa51919200082dafe4

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
Signaturegr7qAnhVTdl930KJkJfEdBNjI7Jz8wKFvcIaR+Tya2IaFFhBXfiGIPAyFZDo00KmqS4VQT1neMHA48Zoq6EEAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:33.802446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068443
observed 5f9b8ec9cd0548f73264463f332e6659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.783213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068443/manifest.json
observed d7d9f3d6212d9e1971c46460ad1ae173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.764445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068443/publication.md
observed 698535835ed2fe2a8ad39629a528baf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.746745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068443/publication.txt
observed 1deda5dd45e741b9b94a0e861e7de990...
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.