OpenTechnical

OT-2026-000052682

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000052682) never changes.

Identity and time

Publication numberOT-2026-000052682 · never reused
Internal UUID01a0ae84-573c-7399-81c1-417c1ffd8078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052682
StatusPUBLIC

Content hashes

Canonical texta710581ffd1d064d5298a030ffa0262c706ee6ed91a69f3ebebc610344a2548c
Markdowna7ae66d2c4134cc44d60b5d088b3d2290e273ab0e4da65f5ab30808d6bce8924
PDF
Publication page9a256d11ec153e8b505953d35dba30bbf670e0fce5e778d7e025de70b0420d92
Manifestdcee986f814d0133a2525cb3e7fa4abcb018dd6e7659c80c6d463a14b3914410

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
SignatureKTYA7eNSISDPiwZo5xZ8WLA6s+aWgoXCvNAB9JBVVR6d6k62IJv/BgSV1Z/OHFH4r1fv8tRNxt3eiNQXC/n0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:22.756920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052682
observed 9a256d11ec153e8b505953d35dba30bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:22.740539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052682/manifest.json
observed dcee986f814d0133a2525cb3e7fa4abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:22.720456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052682/publication.md
observed a7ae66d2c4134cc44d60b5d088b3d229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:22.702844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052682/publication.txt
observed a710581ffd1d064d5298a030ffa0262c...
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.