OpenTechnical

OT-2026-000067915

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000067915) never changes.

Identity and time

Publication numberOT-2026-000067915 · never reused
Internal UUID01a0ae8f-c4fc-782f-9206-235b59568f20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067915
StatusPUBLIC

Content hashes

Canonical textbca7ebcc0dc4a049db497e09303b12095be640245eb8e7b7e579209beb7fe53b
Markdown503c1214423d5a6d034c3e2a5d27a3fed75bc903ac05970450ff973218b94fa3
PDF
Publication pagedf3e08be9cb54af9a4e5241969a988dc32b72514d5499bf50c1c08a7993529c7
Manifestaffc8f2995e5f8fdc5c783c8d5b5ff67fbc79b169ab781c97f7a1e0d85472c51

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
Signature6eHq+pKgEjo7/+bssc/ZplTr8YtVZY9PVbX590MhytahPkqO1GfwnmhIMd+chLM/EV+5V/mRe6vz9Hdv/3l4CA==
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

2026-09-17T10:30:19.268918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067915
observed df3e08be9cb54af9a4e5241969a988dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.251482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067915/manifest.json
observed affc8f2995e5f8fdc5c783c8d5b5ff67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.232885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067915/publication.md
observed 503c1214423d5a6d034c3e2a5d27a3fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.212255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067915/publication.txt
observed bca7ebcc0dc4a049db497e09303b1209...
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.