OpenTechnical

OT-2026-000085972

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained blow-off before set-down

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-2026-000085972) never changes.

Identity and time

Publication numberOT-2026-000085972 · never reused
Internal UUID01a0ae99-e82a-798e-8380-d06dfd17f2e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085972
StatusPUBLIC

Content hashes

Canonical textafac06d4bc9fa60d941e3e174424d936a3070b3314faad1900fd860c79fb2db9
Markdown1a5f3036cdaaec8ebb8b9215a4f3c5ed35acc816b5ee18c5bc572ac29e3def5c
PDF
Publication page437c7f1df64b08b64a88425e482d50bbaa8270a20ea8f17d37ad1c66d79d565f
Manifest1cc31bbe63509aabbdf1dc35c8be44914e0a3d23bbbe12db87ae5e08c3e2fe6e

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
Signature+tK253pIj6IR+nRpWvX4Hf7Lbm6zHfQ47QIhHjjkfXZcYwCYANZwZXxtXu5xtIC04AyAfj7r94GaTVUuZX72Cg==
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

2026-09-17T09:52:56.501576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085972
observed 437c7f1df64b08b64a88425e482d50bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.484156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085972/manifest.json
observed 1cc31bbe63509aabbdf1dc35c8be4491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.463624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085972/publication.md
observed 1a5f3036cdaaec8ebb8b9215a4f3c5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.446482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085972/publication.txt
observed afac06d4bc9fa60d941e3e174424d936...
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.