OpenTechnical

OT-2026-000095239

Publication integrity record

Foam pad vacuum gripper, four zone face, pump 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-2026-000095239) never changes.

Identity and time

Publication numberOT-2026-000095239 · never reused
Internal UUID01a0ae9f-8f70-7db2-8544-0639cd637768 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095239
StatusPUBLIC

Content hashes

Canonical text77e855fba2a8087a52cba9d98d7bf41347d4a7f05d5fdba017935de7000cd3b0
Markdown131be7f4870648a131fd5ef78934972f323aa4f6e7a5f23a3506d0269f6d1d5e
PDF
Publication page585e2c3a1fdad8cc38c3822b73da46c4db83ebf213ec4590aba3394ffc98d1a4
Manifest39315b87ca8eb8b3f71911fecbcc78c355e60d87c90836eb62439b24ad069263

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
SignaturecvS0xvZ36VonOWuhZNbDdgFzHpwruM5O2F4Fk0M/U86bGFzOUWUBEJR7uw10joXu1SawdaZLESIQk3wUmgrFCg==
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

2026-09-17T09:36:33.869446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095239
observed 585e2c3a1fdad8cc38c3822b73da46c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.851542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095239/manifest.json
observed 39315b87ca8eb8b3f71911fecbcc78c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.833754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095239/publication.md
observed 131be7f4870648a131fd5ef78934972f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.815391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095239/publication.txt
observed 77e855fba2a8087a52cba9d98d7bf413...
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.