OpenTechnical

OT-2026-000006117

Publication integrity record

Bellows cup vacuum gripper, four zone face, pump fed, contact triggered

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-2026-000006117) never changes.

Identity and time

Publication numberOT-2026-000006117 · never reused
Internal UUID01a0a94f-ebeb-7ad1-b589-215ce1e43293 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:02.382185Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006117
StatusPUBLIC

Content hashes

Canonical textd11917283187b0a191a6b0341cf775543112ebb592f003864c6f7b6d4846bd58
Markdown536c1a66fa3c5db0dbf650b5c1fb138514f24c9a8c1021c3ec738528a6f53099
PDF
Publication pagefa520c6f98832269889d4425f628b25b2a6df23fc3fb44f2effa0912a36e439a
Manifest78f1004bc6e6b1c2c2dd625d1f4ac5f15a83adbf6a22f40eeffeb9b8f799e960

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
SignatureClda+hWHmczSpCblaADxrgwP/t5MotxJHg1Bho2TpW3Oax3h1RWKlbppsgsNYqQb9T42sYkqCDrzofYQzgBEDg==
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

2026-09-16T08:30:25.631584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006117
observed fa520c6f98832269889d4425f628b25b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.499316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006117/manifest.json
observed 78f1004bc6e6b1c2c2dd625d1f4ac5f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.484087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006117/publication.md
observed 536c1a66fa3c5db0dbf650b5c1fb1385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.470015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006117/publication.txt
observed d11917283187b0a191a6b0341cf77554...
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.