OpenTechnical

OT-2026-000089218

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000089218) never changes.

Identity and time

Publication numberOT-2026-000089218 · never reused
Internal UUID01a0ae9b-db00-7521-8a40-4dbd8f0ca5e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089218
StatusPUBLIC

Content hashes

Canonical textcbce6741e12cdc67be13748b7171c8eb3a6b9b7c2ea365a14fe58b1db117fc2c
Markdowna7010ec9345286d6c8e98157797f5c62ae85cfccace9ca7d3b80a00abb5391e9
PDF
Publication pageee45131c2c1951844e474cf933200b7aca70baff5a2d1d588a3f3a40362b2894
Manifestaebbdd8d5735729079e33d8401a061ed597485e131c2f0a49ad5945b6429a06d

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
Signature2/+uMFlXUX+dKuAqgF87s4HaKOW200KjR7+RU/7rXLIafwtUz6rPnqum9YGKhGe3rNyd3EbaZis7lXV2goKNAQ==
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

2026-09-17T09:47:14.506996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089218
observed ee45131c2c1951844e474cf933200b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.490632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089218/manifest.json
observed aebbdd8d5735729079e33d8401a061ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.472978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089218/publication.md
observed a7010ec9345286d6c8e98157797f5c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.456622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089218/publication.txt
observed cbce6741e12cdc67be13748b7171c8eb...
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.