OpenTechnical

OT-2026-000103607

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000103607) never changes.

Identity and time

Publication numberOT-2026-000103607 · never reused
Internal UUID01a0aea4-e461-7af9-bf64-85cc8e047598 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103607
StatusPUBLIC

Content hashes

Canonical text88b7604706a4da68c4585b0a60b4e2dbc52d6a3a5555c86420764b80bd3b9c4a
Markdown031cd31cce89e9dc855eb6bc59efc54ef75f10b693c47e5e2ba52ec68648fdde
PDF
Publication page581b6416b7e358cbd4c63146a5ff085b386dc1cf52775fd828f31387ccc0cf5f
Manifestd5cc429fa986ea05515510460f9bffaa694c47ab59d82418ac2e1055ca4ae96c

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
Signature+Vt6/md3RZSSu20opNU095NbeuguQFIWBVRl1EtaoG8rdRpu8ULewm2v81X24Xi9QqqYi2Pbdjs1u7a6R5hkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:23.852811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103607
observed 581b6416b7e358cbd4c63146a5ff085b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.835678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103607/manifest.json
observed d5cc429fa986ea05515510460f9bffaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.819053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103607/publication.md
observed 031cd31cce89e9dc855eb6bc59efc54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.802765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103607/publication.txt
observed 88b7604706a4da68c4585b0a60b4e2db...
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.