OpenTechnical

OT-2026-000091753

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091753) never changes.

Identity and time

Publication numberOT-2026-000091753 · never reused
Internal UUID01a0ae9d-43b9-72be-af90-c6911f4f43c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091753
StatusPUBLIC

Content hashes

Canonical textbdb67d5075ceaa96e03b56ebbfd18c72fb110d73f877cb9f4bca706a7026a877
Markdown54d06a7e939fcbee89d0c2c0f6523891071e7eebc2e7d49d7979376e4ab0117a
PDF
Publication page4ede463938a19591ae60af72ab3e94fde1531d35c91daedf859b950596324c2c
Manifest6bbd09659ffc3348e8aa786ee880f56cf825f2ea92003bd332bd8862b6ec8a0d

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
SignatureYjXH74oN59whSKgr56dsfvJYcreUEcFDyT4xLP5JQQpD4DRNol0NCz2yh897Ptwy9m5RAQV2nSW1p1x/aEtFDQ==
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

2026-09-17T09:42:38.788993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091753
observed 4ede463938a19591ae60af72ab3e94fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.771394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091753/manifest.json
observed 6bbd09659ffc3348e8aa786ee880f56c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.754518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091753/publication.md
observed 54d06a7e939fcbee89d0c2c0f6523891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.737960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091753/publication.txt
observed bdb67d5075ceaa96e03b56ebbfd18c72...
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.