OpenTechnical

OT-2026-000006703

Publication integrity record

Vacuum cup gripper, four zone face, plant vacuum fed, pressure verified, vented 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-2026-000006703) never changes.

Identity and time

Publication numberOT-2026-000006703 · never reused
Internal UUID01a0a964-82a5-7fd9-b301-a678da27eb09 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:31.688695Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006703
StatusPUBLIC

Content hashes

Canonical textc73c65541b0bba80dde24a46a3f55712f11c3813a4752f22cd7088291314d719
Markdownce33dee86c1508310f2c78709b7140d1601070357f0393cff195616f2296fd61
PDF
Publication pagefb40f8911c93c82c711c5fd9947b3d9d54e9730da97f2a6ed0c321d6e8f5ee59
Manifestc5d8ecde6a6a2e09fc17bffa380ae21e8fb21f448712e42a8948faec97d9adf9

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
SignaturePHslZIuGOW4Z5+o1RymF4/pDTPqQK7yLSFOt7bmsRFayMfhfohSmq3tPlB9E8ceamlKLDCsVM4U+foTC1Pi6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:15.477814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006703
observed fb40f8911c93c82c711c5fd9947b3d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.465292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006703/manifest.json
observed c5d8ecde6a6a2e09fc17bffa380ae21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.450610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006703/publication.md
observed ce33dee86c1508310f2c78709b7140d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.436280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006703/publication.txt
observed c73c65541b0bba80dde24a46a3f55712...
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.