OpenTechnical

OT-2026-000068447

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000068447) never changes.

Identity and time

Publication numberOT-2026-000068447 · never reused
Internal UUID01a0ae90-2481-7048-a691-5523b08af80d · 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-2026-000068447
StatusPUBLIC

Content hashes

Canonical texte47e9af799961705f57d3fecbe165c12b02797186b7e5bb5a123654aceccea3e
Markdownb9267aeb0422f3631f9bea9d6557e5d3f5164c0353618564617fbe9f5c04de57
PDF
Publication page3c625b92bb01c5f17994f8b87455d96064d9d2e9798bcbbfa4b4ba205df24800
Manifest3a9511dd02b0013bea4ea0c1ef84ecb0fd4dcce26b37e6fedc7c110f9a67b30b

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
SignaturevNPX6+7b6z2gCJq+h3oR0kZG+G8PNR/aMZtrkys9508oJKELu5dfhRbYrHKTWVQn6gjUsZZI/fbVItisfBC7Cg==
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

2026-09-17T10:29:35.601952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068447
observed 3c625b92bb01c5f17994f8b87455d960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.584798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068447/manifest.json
observed 3a9511dd02b0013bea4ea0c1ef84ecb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.565217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068447/publication.md
observed b9267aeb0422f3631f9bea9d6557e5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.546276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068447/publication.txt
observed e47e9af799961705f57d3fecbe165c12...
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.