OpenTechnical

OT-2026-000005951

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pressure verified, vented after set down, plastic cups

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-2026-000005951) never changes.

Identity and time

Publication numberOT-2026-000005951 · never reused
Internal UUID01a0a94a-3df4-7a23-8e15-7bfa1f7a1601 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:50.167489Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005951
StatusPUBLIC

Content hashes

Canonical text82b2c1c796fe71c8fc27515fb9eef48b545b5865e3e9fec816733c0ef4331c2a
Markdown654148d68adbe27f2778819f636373b8873f459a174a44f6014f85681c22effc
PDF
Publication pagedcf47f96cc8044daa58998fb519f2ae4605b6797c961b447b775e016ff991494
Manifest531945048fb41f89c0b1b62baad11b4c5d957b068b52cb4028e635637aed12d4

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
SignatureJ9eIsPvoab1o31a+HZ+/32Y6dQr5DnUsHMwV1Z3QtUZColxHMuq2Z+S7Ns/cogk1uzyvmctNnDs2bg0x8OCBAA==
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

2026-09-16T08:20:13.650134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005951
observed dcf47f96cc8044daa58998fb519f2ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.634419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005951/manifest.json
observed 531945048fb41f89c0b1b62baad11b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.496688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005951/publication.md
observed 654148d68adbe27f2778819f636373b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.482009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005951/publication.txt
observed 82b2c1c796fe71c8fc27515fb9eef48b...
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.