OpenTechnical

OT-2026-000078615

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078615) never changes.

Identity and time

Publication numberOT-2026-000078615 · never reused
Internal UUID01a0ae95-7c2a-7425-a957-45f9016610e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078615
StatusPUBLIC

Content hashes

Canonical textdeec642a2b969a65a21627c8b998a3b7cd0a370107cc27d599535fea4f912412
Markdown137723334e5d6b6aeeea74a661172b44262085674e6a6ea9a253476415c24ca4
PDF
Publication pagecf40ba32a68d46afced7db260a3a27e132648e78d7887fbf99e820a1980ba710
Manifest0e58a04105cc17f0c9886e796c657447f9e35cfcbce57a85fdd62c65ebd5b8d9

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
SignatureBMCAkkLZNI85j8Xp19JvVNTRiVuLhbAIsoq3I1f2fwM9HnS/I8kkIlwyRnG/s0eAFVD1LKzBSEGkGWgRKbN/CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:39.097801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078615
observed cf40ba32a68d46afced7db260a3a27e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.081913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078615/manifest.json
observed 0e58a04105cc17f0c9886e796c657447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.065118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078615/publication.md
observed 137723334e5d6b6aeeea74a661172b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.047211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078615/publication.txt
observed deec642a2b969a65a21627c8b998a3b7...
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.