OpenTechnical

OT-2026-000005806

Publication integrity record

Bellows cup vacuum gripper, two zone face, three stage ejector, vented after 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-2026-000005806) never changes.

Identity and time

Publication numberOT-2026-000005806 · never reused
Internal UUID01a0a945-7b88-738e-907f-a5419467ebc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:11:38.250753Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005806
StatusPUBLIC

Content hashes

Canonical text2cde287ed5e53b8a65f3ebeb53d8285fcbfea7f438dff8c28812d73637a949af
Markdown90fa2b8366ab1960cc61a15b75cd961715225c3e7bcacb0d427add8ea9f80141
PDF
Publication page5816dc7f0b177d3b81f79807d3d690e84d376102e8140aa803f9ddc62bc284a1
Manifest0da9e4f2895144aefe8ccb1ce2419446ac73c37381cff77c834f47dec1ef6fec

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
SignaturedXTCA2IAa9zXtJ33swcIB0b4m2ld2jwjdnacs2RRArQA751DrxDA5nmIahmpOQE8/MuTUfhdo38r0t68D03eDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:30.643469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005806
observed 5816dc7f0b177d3b81f79807d3d690e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.629345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005806/manifest.json
observed 0da9e4f2895144aefe8ccb1ce2419446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.503427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005806/publication.md
observed 90fa2b8366ab1960cc61a15b75cd9617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.490073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005806/publication.txt
observed 2cde287ed5e53b8a65f3ebeb53d8285f...
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.