OpenTechnical

OT-2026-000045455

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000045455) never changes.

Identity and time

Publication numberOT-2026-000045455 · never reused
Internal UUID01a0ae7c-f76d-7d82-b1e2-55e048f76b4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045455
StatusPUBLIC

Content hashes

Canonical text763e1ee8abbee388aceb67666e741570fb2b89dfa0d67bc6ceddc97e673c0642
Markdown2597c0095e038e0f81bf823f406959b3c9e32456ef5ac74fdfe2acf98951a492
PDF
Publication pagebd568363bf572dc14a45a169d80af69101b0371be2c2f2a211b1c50a430e1c6b
Manifeste67f444d03f9a806ab2f961dc18a83146ff1d015c18934e6d8ff6540451f0f16

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
SignatureIrVXRD8ckba+v8u9U8ZM8R9vqakNUsX/iidOsTuUqVKM2VN/QWM+pmA9ch8ZI1vBWk/TGWebCvFwSjW3iXyTCQ==
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

2026-09-17T11:10:45.573973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045455
observed bd568363bf572dc14a45a169d80af691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.554452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045455/manifest.json
observed e67f444d03f9a806ab2f961dc18a8314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.534452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045455/publication.md
observed 2597c0095e038e0f81bf823f406959b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.516539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045455/publication.txt
observed 763e1ee8abbee388aceb67666e741570...
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.