OpenTechnical

OT-2026-000099003

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099003) never changes.

Identity and time

Publication numberOT-2026-000099003 · never reused
Internal UUID01a0aea2-8287-786e-97dd-bd54faa35a9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099003
StatusPUBLIC

Content hashes

Canonical textca1614ff6eba6f322e30c435169ca7561de9c3a5e735342595f8a6437ebee143
Markdown5ab2be8a313f275b9c9ab8d51e96b51bc5a277121e7424164346150173c22f7d
PDF
Publication page423cee0ecd898338c96620218d489607c7af8dee301320e681b3d3ba8db2cee9
Manifest7af5a9fcb2489ac5c9b19cade33902611f98f63dde6fa53cf15336f1b901c74e

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
Signaturezxdr680JILnmq+Yg3FJwryZkNj3V1z8pDfpxjlT88rGNVgB+TxHA+Cbvi5oJPc5IBl0N75nrT6Mm6HCyl5XqBw==
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

2026-09-17T09:30:05.287940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099003
observed 423cee0ecd898338c96620218d489607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.268726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099003/manifest.json
observed 7af5a9fcb2489ac5c9b19cade3390261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.249162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099003/publication.md
observed 5ab2be8a313f275b9c9ab8d51e96b51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.232509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099003/publication.txt
observed ca1614ff6eba6f322e30c435169ca756...
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.