OpenTechnical

OT-2026-000068841

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000068841) never changes.

Identity and time

Publication numberOT-2026-000068841 · never reused
Internal UUID01a0ae90-6dcc-76b5-b596-5bc0171ebf59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068841
StatusPUBLIC

Content hashes

Canonical text6ff2082ded5d2d982bd7fa59a2b8f671b6f4e0cda9353880a0435a67a107867f
Markdown4bd1d91a2ddc45dd62ca2f618c265ddcd0ceb258bcd95b3da0c100ea6437a445
PDF
Publication pagec9797a5e6045bc58bf91bcd355b91734bca6229b9908b0a662aa3fe87f2418c6
Manifest90df7732694543e3230f91b4818d30982c527637d90c75d3da4475f222047467

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
SignatureziBEzMFWWb3W/PX1wdM4EIXAA+16T5sWaR8u6GccdRguozle/jIZCKW8CK6borQLNFWrprRvwxGww6zcEW8LDQ==
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

2026-09-17T10:28:38.864370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068841
observed c9797a5e6045bc58bf91bcd355b91734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.835873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068841/manifest.json
observed 90df7732694543e3230f91b4818d3098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.812572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068841/publication.md
observed 4bd1d91a2ddc45dd62ca2f618c265ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.793462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068841/publication.txt
observed 6ff2082ded5d2d982bd7fa59a2b8f671...
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.