OpenTechnical

OT-2026-000088839

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000088839) never changes.

Identity and time

Publication numberOT-2026-000088839 · never reused
Internal UUID01a0ae9b-8f10-7087-8328-9c52a2922150 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088839
StatusPUBLIC

Content hashes

Canonical text9d9aa3e54aaeb41317d0b41f734265b1516c7aefe3c0ab2d8d4504e01c47259c
Markdown20052c634606d56a14dce67edce97f72be1e08b3471c2290e2055c5d79f88d5b
PDF
Publication page68a4e964ceb3bd0a35df47c8db5e890f44ceba68f14d3b6f7631e631b9d0ccf2
Manifest046c9afd31aa061d0e4954a8c4385ca46830c0272a199dbb88523b1bc3c2c3a2

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
SignatureqSFt+lloadJCTaxELTUNtWuGLRPWTxKTnxnrWoiHsrbQwMkoUpGABOHrGhihZh/J9hUD+eBK/XQrKVZLgri5BA==
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

2026-09-17T09:47:56.357347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088839
observed 68a4e964ceb3bd0a35df47c8db5e890f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:56.338939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088839/manifest.json
observed 046c9afd31aa061d0e4954a8c4385ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:56.304648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088839/publication.md
observed 20052c634606d56a14dce67edce97f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:56.270667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088839/publication.txt
observed 9d9aa3e54aaeb41317d0b41f734265b1...
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.