OpenTechnical

OT-2026-000100710

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100710) never changes.

Identity and time

Publication numberOT-2026-000100710 · never reused
Internal UUID01a0aea3-66f4-7521-8f53-2dabffb8989d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100710
StatusPUBLIC

Content hashes

Canonical text44084ffd1a3f155ecda94a0cac2db3c19e6abf635e2cef7d93f870340cf2449c
Markdownbfe957ec9d1c8539bd7b8c3079916b118d1b5da465e97e0f332481210999d381
PDF
Publication page8c55fce2e6c55b60cf9fdafef5e1a3f88bb77ba5fced8bf43be0195c3e7e5fe4
Manifestc4128f27882670c616afee9b680d80bb333853f132963cc49b3a4ccb807b70d6

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
Signature2rrFDqHpEK4naNXZPADVi9weqEuRMM1cZnh9rHUfWOEBtGWNV4x9YQ799XerApPtdhxLrqvvBjjGF4RrsM8GCA==
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

2026-09-17T09:27:31.997830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100710
observed 8c55fce2e6c55b60cf9fdafef5e1a3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.981096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100710/manifest.json
observed c4128f27882670c616afee9b680d80bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.965274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100710/publication.md
observed bfe957ec9d1c8539bd7b8c3079916b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.948100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100710/publication.txt
observed 44084ffd1a3f155ecda94a0cac2db3c1...
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.