OpenTechnical

OT-2026-000088423

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088423) never changes.

Identity and time

Publication numberOT-2026-000088423 · never reused
Internal UUID01a0ae9b-5d27-7af0-a291-fa34c5e5fb97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088423
StatusPUBLIC

Content hashes

Canonical text5fa92604e8f787f404134c4ad44d7953d65510e85e01a095f9d72775df961d65
Markdownea35dadf7d968cdfc52e93bebd0583a1bcd383533167ba882e9793e3b39afe27
PDF
Publication page805e2da54b512108bb1641434110002d1b270c0071c9712918e96f099f2440e2
Manifest3a05f213c32ed798fb231ad7597df461fc705c35f5d68d25747e29ad67dbf5c0

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
Signature/awiKlnNg1inOWVgNYc+rp13piqnnbws9ROyV+7eHQwFYoYmMyxjXTkUPfhbYKcRsCwnXIPilzCoEo8OWDnnBA==
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

2026-09-17T09:48:47.600873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088423
observed 805e2da54b512108bb1641434110002d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.584603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088423/manifest.json
observed 3a05f213c32ed798fb231ad7597df461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.566518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088423/publication.md
observed ea35dadf7d968cdfc52e93bebd0583a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.549512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088423/publication.txt
observed 5fa92604e8f787f404134c4ad44d7953...
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.