OpenTechnical

OT-2026-000054956

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000054956) never changes.

Identity and time

Publication numberOT-2026-000054956 · never reused
Internal UUID01a0ae86-5e80-744a-bb36-902020fa0b46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054956
StatusPUBLIC

Content hashes

Canonical textb3af374fc573b3aa59b303d8ec5b5baa0b908383e30ffd88321f20e5bb52874d
Markdown2795292321e487139bb9ea1b7d4105bd694ace96b9399e5ed54e2ee1e3df6fa5
PDF
Publication pagedfbab4d24cd7ba98da8b3dcc19f443104e8354ba518096710a9c4d417e74fa2c
Manifest780e2df8a90df49c129369b074ad23f2defff1cab244d97fa13bbfa089c27bd6

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
Signature3aHy3DkIr+QL9ryAQjcgwbVBbnWqwjIIRv06xZWzrxQS6ubpGd8BkZVUeiVyPe3twNzqa1itFAn1S6R+gEt8CQ==
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

2026-09-17T10:53:04.063853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054956
observed dfbab4d24cd7ba98da8b3dcc19f44310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.045002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054956/manifest.json
observed 780e2df8a90df49c129369b074ad23f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.027388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054956/publication.md
observed 2795292321e487139bb9ea1b7d4105bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.007856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054956/publication.txt
observed b3af374fc573b3aa59b303d8ec5b5baa...
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.