OpenTechnical

OT-2026-000077771

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000077771) never changes.

Identity and time

Publication numberOT-2026-000077771 · never reused
Internal UUID01a0ae95-2ed0-73a4-b676-66a39d9f9fc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077771
StatusPUBLIC

Content hashes

Canonical text7d77211f735601dc625c6dab90efde70f697f73a89d0befbf7178bee031f90cb
Markdown0ce04baa851cc577724f46e36521c655b5479434a60edc520a7405aa501d519f
PDF
Publication page0068a235bb84f1d1c6b63f5cfeadb9da7dec217e49a193c7179ac6b3bbb2e3e8
Manifestb4018f017fa97b5373ab65e49726035731812b32c162809805ef9ae538d001d9

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
SignatureT0YY0LE452BI+g/+F6w8rElHMm8SN/Gmwu4kDA/pqQdRpOKo7+vD4t/gTyRx+RC4OD38gyye9xPfdruPtf8RCg==
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

2026-09-17T10:07:21.367125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077771
observed 0068a235bb84f1d1c6b63f5cfeadb9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.348886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077771/manifest.json
observed b4018f017fa97b5373ab65e497260357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.299162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077771/publication.md
observed 0ce04baa851cc577724f46e36521c655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.232244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077771/publication.txt
observed 7d77211f735601dc625c6dab90efde70...
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.