OpenTechnical

OT-2026-000067963

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000067963) never changes.

Identity and time

Publication numberOT-2026-000067963 · never reused
Internal UUID01a0ae8f-c4fd-7ac0-954d-52c2d1b57d2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067963
StatusPUBLIC

Content hashes

Canonical textc25a520b74dc8fd32611ecc7ad14795330dfc94ec03c08383e34b086d4445bf1
Markdownaf596fde6495f89e66474ee90bfe9dd595ca7424a22d8d0b7122cb57b10bb409
PDF
Publication pageba577f9d2b8dead5e26636baaf555a79faa25a7c4b8adb424de17afe52bb9a5f
Manifest2cd08292c114b55f13dda1f2d8f1247250d4aacb10ee7aa77b96e2683f77c283

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
Signature62NSefk/7Bv8nx1OvMuCHeHgLXAgP9rs0ONQwIeY/KxOFo5raalS7UK2qZ9+EafUvWqmUAGmKvPe4xhshQi+DQ==
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

2026-09-17T10:30:30.213489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067963
observed ba577f9d2b8dead5e26636baaf555a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.189832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067963/manifest.json
observed 2cd08292c114b55f13dda1f2d8f12472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.169471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067963/publication.md
observed af596fde6495f89e66474ee90bfe9dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.149338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067963/publication.txt
observed c25a520b74dc8fd32611ecc7ad147953...
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.