OpenTechnical

OT-2026-000077864

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000077864) never changes.

Identity and time

Publication numberOT-2026-000077864 · never reused
Internal UUID01a0ae95-2ed0-7437-b1c8-33df3ae7ba26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077864
StatusPUBLIC

Content hashes

Canonical text5dc085ff8ba21e73d8e1e27c57145bb2291b854591a7c92031ce8155965990e0
Markdown50a918c21ca3696cd1cef7e195a0782aedcef8f121655b42705e8e8cea354346
PDF
Publication page66bbcae9ffbd91d70796ff97c81c25ac0c583706c384e2a9e6a6363cb62c7faa
Manifest371c33107236f5ac0a3b736c23c3a34d90e6e5b8d0aca2515f47d937df342979

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
SignatureTkdHkIB9T6y9eFarKfs+5mOr2N8tJE4n8+cwz+29YRU8KckSnvZU+Fe4QXbLu3tRBz1TxuFlZL5y4sv2pVKkDw==
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

2026-09-17T10:07:36.374335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077864
observed 66bbcae9ffbd91d70796ff97c81c25ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.355552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077864/manifest.json
observed 371c33107236f5ac0a3b736c23c3a34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.337513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077864/publication.md
observed 50a918c21ca3696cd1cef7e195a0782a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.318308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077864/publication.txt
observed 5dc085ff8ba21e73d8e1e27c57145bb2...
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.