OpenTechnical

OT-2026-000088016

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000088016) never changes.

Identity and time

Publication numberOT-2026-000088016 · never reused
Internal UUID01a0ae9b-1aa6-7aad-aea8-591a74e3f471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088016
StatusPUBLIC

Content hashes

Canonical text20dd538fcfa47e88464b097c6872a795e112da81511d15fd70d8eac88cab1d22
Markdownc1b135310a293302bf46888168c49d26320f369cf857a629c4a270eddf49ab10
PDF
Publication page6c7a713c22a625a60680190386fc7cd6b3703aefd3402fb63d659be5023cb5aa
Manifest77e78f7f5aaf02e97e38ea3c6c10b7d95894e486cf8dbdd827baca0f98f59793

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
SignatureA9nopaVzcPnsO2Rr41Re/qnw+rRyUKl58jHnW7qmKvHcG0BkA6X7VW1x0gwd69nXUGb+ymmC14A91AqT98WBBw==
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

2026-09-17T09:49:23.982169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088016
observed 6c7a713c22a625a60680190386fc7cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.963728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088016/manifest.json
observed 77e78f7f5aaf02e97e38ea3c6c10b7d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.939365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088016/publication.md
observed c1b135310a293302bf46888168c49d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.919036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088016/publication.txt
observed 20dd538fcfa47e88464b097c6872a795...
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.