OpenTechnical

OT-2026-000043699

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold 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-2026-000043699) never changes.

Identity and time

Publication numberOT-2026-000043699 · never reused
Internal UUID01a0ae7b-92d1-7cb5-95ee-1ab02b02fed5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043699
StatusPUBLIC

Content hashes

Canonical text88aaa53d41e5916dc13bfe5c75fa3cd66f8f4d638fae36509ed5cf9a59c86c73
Markdown597cd429a6d71b6929dcea7d7601f76255c0eded4e3b94d088d3db2042b376b4
PDF
Publication page25a84fa38177bb1fc2d0b59e2aeae842a2421cea775c548b4164e63c01c6ed67
Manifest85ec6d358847528f1d9dc2cdb7fd44205fc05e648253fe0eae7587ba7d4ea9bd

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
SignatureYMGC0nOb8V88SfdH24NY4W/WqdKhpa4h8egd6Za4XW5yxy6fH9YJHEMRN+heZiz/sSUR6R/aQPkZul/5nDmIBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:11.679470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043699
observed 25a84fa38177bb1fc2d0b59e2aeae842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.659925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043699/manifest.json
observed 85ec6d358847528f1d9dc2cdb7fd4420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.639127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043699/publication.md
observed 597cd429a6d71b6929dcea7d7601f762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.616273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043699/publication.txt
observed 88aaa53d41e5916dc13bfe5c75fa3cd6...
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.