OpenTechnical

OT-2026-000072539

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line 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-2026-000072539) never changes.

Identity and time

Publication numberOT-2026-000072539 · never reused
Internal UUID01a0ae92-89d8-7e65-a32c-2ca82bc2d812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072539
StatusPUBLIC

Content hashes

Canonical text0b82d2782fe3f0dc3a89868d50940d68cc42d16527c7d89328c425ae2541f7d2
Markdown889c6304de6446f92fd4c762bfb1322de6d939475c13c75a33929afebc5dc411
PDF
Publication pagee74743c5cf7f52eba4c76f7550c8d51e2c853ba3bec14fcc568e8e9a1760f0a7
Manifestfaf14fcadd0f48035a151c4cc8439f34fe2274fe4aa6349ce24ef8fd55343b3f

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
SignatureQIh0O90IKqItqdBoDShB/DaGplSlUaSpLyw7AGA/UvpC2mwOHSlYdEguN8wdIJQJklfLrVJ3VES1UiN+xeRRCg==
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

2026-09-17T10:22:22.227462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072539
observed e74743c5cf7f52eba4c76f7550c8d51e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.210332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072539/manifest.json
observed faf14fcadd0f48035a151c4cc8439f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.192777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072539/publication.md
observed 889c6304de6446f92fd4c762bfb1322d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.174231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072539/publication.txt
observed 0b82d2782fe3f0dc3a89868d50940d68...
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.