OpenTechnical

OT-2026-000050380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050380) never changes.

Identity and time

Publication numberOT-2026-000050380 · never reused
Internal UUID01a0ae82-5c47-7f8e-8188-5dd3251b5ee8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050380
StatusPUBLIC

Content hashes

Canonical texta3e12d23a3f9ee211cb8bf696ca9e64c0c777e9b933e684bc4567b3b2cee360f
Markdownb84385321f7f06d645049d34a1f4bc122d8dd2327bfdbd686339573135f89911
PDF
Publication pagea7017229ce93e47cd0efe0cc3aff0ce9c090903150ea300e5cc27f4a010794bd
Manifest39fb96c4009dbf5ac02c525ce86a08492e5b02524321aa3f8649f114779a2e74

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
SignaturegzqLybN91GqXuf50CVvsiZTbl5FcNQNp6ako0D/w5/Xapxq8vDiQZIWoqTZT+jgZwrKRPiwPoVfDUrnxCNgBCw==
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

2026-09-17T11:01:24.944849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050380
observed a7017229ce93e47cd0efe0cc3aff0ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.924707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050380/manifest.json
observed 39fb96c4009dbf5ac02c525ce86a0849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.904548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050380/publication.md
observed b84385321f7f06d645049d34a1f4bc12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.886124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050380/publication.txt
observed a3e12d23a3f9ee211cb8bf696ca9e64c...
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.