OpenTechnical

OT-2026-000067656

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000067656) never changes.

Identity and time

Publication numberOT-2026-000067656 · never reused
Internal UUID01a0ae8f-6bdb-7344-a6af-67f4d58a7239 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067656
StatusPUBLIC

Content hashes

Canonical texta393aa8ddc04b9c10b63c77baee770eff4bf655342f66e599062b3981efd73df
Markdown561f5a9ff3175ade6df038c8fcc369f83b51daf419a2cb03792c231ae3222e99
PDF
Publication page1f2b34ad2a50a437b17727bc68b6cd9099dc496bc8d23e77243ad1f22ff4c712
Manifest12d7645a61d4f4449281c84fe59df44fa81f02a643d0de8d5d5b3fe2b9a43ef9

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
Signatured5oKZR/umHByqDBrFi41fHA6VGKcKuLCEoT4uNHdqiKW2j9I7gctnI8vKPElVwte3YhP9DlV6r6KWRuY1r2aBQ==
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

2026-09-17T10:31:59.168401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067656
observed 1f2b34ad2a50a437b17727bc68b6cd90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.150618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067656/manifest.json
observed 12d7645a61d4f4449281c84fe59df44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.131423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067656/publication.md
observed 561f5a9ff3175ade6df038c8fcc369f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.103901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067656/publication.txt
observed a393aa8ddc04b9c10b63c77baee770ef...
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.