OpenTechnical

OT-2026-000099708

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099708) never changes.

Identity and time

Publication numberOT-2026-000099708 · never reused
Internal UUID01a0aea2-c977-7c1c-9d79-3f9347c8ded7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099708
StatusPUBLIC

Content hashes

Canonical text9028b47f6540ba18afc5e6043b92b423e3dd419e3f605e3b07f3fb606b12285c
Markdown8f3ffc593541ea50efb0923b3c5acc6c50ce64e56138ba4f7510c31ad847af41
PDF
Publication pagee5042c6752179eb667788b8357f09b8965ec06bfedada1fb64d9403b67f98f27
Manifestcf5dbc1e8ceee1c5de043cf1e4f3da75e4701aa0be8e13c90d1d776d883fc7f0

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
Signaturel4u8xA90yTeW2EY/adb3XrMgD5j0wSD0PKSgX9D33Xv3YbktV6CwfrzSQ3OUNxzTgkFXeR8PbwzpCGI0IcNJCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:43.445034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099708
observed e5042c6752179eb667788b8357f09b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.426195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099708/manifest.json
observed cf5dbc1e8ceee1c5de043cf1e4f3da75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.408794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099708/publication.md
observed 8f3ffc593541ea50efb0923b3c5acc6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.390512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099708/publication.txt
observed 9028b47f6540ba18afc5e6043b92b423...
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.