OpenTechnical

OT-2026-000073975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000073975) never changes.

Identity and time

Publication numberOT-2026-000073975 · never reused
Internal UUID01a0ae93-2b8e-7fbf-80e4-b58df4f246b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073975
StatusPUBLIC

Content hashes

Canonical text068c388adee04b132a263d794b1dca0998b77ba9c989723f7f6d35c1a36dc0d5
Markdown58405ef7978128bb3252669790427d92a0c6b11a899c966dd949bcdc39a678ef
PDF
Publication pagefda3ade74f97ca7a3facef6b81f7f5631651c23192ab73c6d25464b8b7bdde9f
Manifestb68cfbd90d6be005f863e51d10a92cf8beaa2da26df48f684557686e7a5513c5

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
SignatureYRo53//el4U+GkMqWZB6iawo9xU9NIJfPPhhZyQLFEESDoXSmYgMQ5fSvRcFHugFPFNPkiZwEBHynK/e5ya+Aw==
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

2026-09-17T10:20:16.192093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073975
observed fda3ade74f97ca7a3facef6b81f7f563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.170139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073975/manifest.json
observed b68cfbd90d6be005f863e51d10a92cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.149450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073975/publication.md
observed 58405ef7978128bb3252669790427d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.128288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073975/publication.txt
observed 068c388adee04b132a263d794b1dca09...
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.