OpenTechnical

OT-2026-000034724

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000034724) never changes.

Identity and time

Publication numberOT-2026-000034724 · never reused
Internal UUID01a0ae76-1ed2-76e8-8d5d-34737deba65f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034724
StatusPUBLIC

Content hashes

Canonical text70cfe2e5ec008f244ace3369d8a3f466694b4d2c0f37aff729aea4c4f8fc4147
Markdown2700cf8cdd36bb36a15a8ded5c4268041fece24926311a7e1f09b20ab282fabd
PDF
Publication page73a016c9f7c6f1e8d7451f95d22e127431b9186f84dfbcc9ea05f285aa1acc21
Manifest52be82c8a08c6c243a8bd81d96af314eb7fdcbdd69de110f012b00ec73e8ec06

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
SignaturejSRyAUJh6R7HmW328BJ8blZRP89GMf2jzbg2sSGXnpsrrzB0p+osgsv6+OzhQmIE00R5Yg7rcShpvOXn6EjuAQ==
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

2026-09-17T11:30:07.771381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034724
observed 73a016c9f7c6f1e8d7451f95d22e1274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.747583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034724/manifest.json
observed 52be82c8a08c6c243a8bd81d96af314e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.727994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034724/publication.md
observed 2700cf8cdd36bb36a15a8ded5c426804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.708537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034724/publication.txt
observed 70cfe2e5ec008f244ace3369d8a3f466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.409472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034724
observed 73a016c9f7c6f1e8d7451f95d22e1274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.391111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034724/manifest.json
observed 52be82c8a08c6c243a8bd81d96af314e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.371346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034724/publication.md
observed 2700cf8cdd36bb36a15a8ded5c426804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.353223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034724/publication.txt
observed 70cfe2e5ec008f244ace3369d8a3f466...
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.