OpenTechnical

OT-2026-000008213

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000008213) never changes.

Identity and time

Publication numberOT-2026-000008213 · never reused
Internal UUID01a0ae6a-908d-72ef-a88c-e32d9cbd0a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008213
StatusPUBLIC

Content hashes

Canonical text6066e340aca758a5019f394cbc51e54d89cb3d0c8cb761543508cc4315589040
Markdown9fd12e14c85da2cfda12391fb9faf25333bd8c98c84ccffe4a2d43816915e10d
PDF
Publication paged4001e8ae277bb5d5ab68449e7cee38c97f6900abdda3f4fdf1cd0fdb29990f9
Manifestedd82d56e4bf188d9237128bd1589352978d7f3b235c63a68080363216b54f25

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
SignatureNgRXJletP4KPBCA065mLFv3ltTcnEHsxYjG7EMJUtdiavp5yXQdCKaAnsFtdo61ufMc4A5o4w5JvBTdAjWg/Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.139421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008213
observed d4001e8ae277bb5d5ab68449e7cee38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.121747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008213/manifest.json
observed edd82d56e4bf188d9237128bd1589352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.101183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008213/publication.md
observed 9fd12e14c85da2cfda12391fb9faf253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.080125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008213/publication.txt
observed 6066e340aca758a5019f394cbc51e54d...
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.