OpenTechnical

OT-2026-000038203

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000038203) never changes.

Identity and time

Publication numberOT-2026-000038203 · never reused
Internal UUID01a0ae78-2d50-7a28-8057-d1b737abe25b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038203
StatusPUBLIC

Content hashes

Canonical text4bd777293e95f39eb8a3ce1066b848264b8725e45fa4a4de5314f8acc2c4bcab
Markdown6b311cfaac412354bf3f68a8733abce740621c9a4a2d5d2e86f64967f8ff75b9
PDF
Publication page4848d0beda8fa73252d768051bd256f6da19d58d7054a2b0fb76c71492c03aac
Manifest72da9e8a31a29d03f278bffbc89ca52918d5e313227b3e23c85097c2ba362789

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
SignatureGkGl1YmbyCDncdp0/KDS9RVDjYLnYWurChX/NQfrgH63Rq21FBmXlBj49tx0wPlOrnjDdol0wsB+Tgb81iV2BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:22:20.131802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038203
observed 4848d0beda8fa73252d768051bd256f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.109382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038203/manifest.json
observed 72da9e8a31a29d03f278bffbc89ca529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.092184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038203/publication.md
observed 6b311cfaac412354bf3f68a8733abce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.074931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038203/publication.txt
observed 4bd777293e95f39eb8a3ce1066b84826...
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.