OpenTechnical

OT-2026-000009298

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, vented 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-2026-000009298) never changes.

Identity and time

Publication numberOT-2026-000009298 · never reused
Internal UUID01a0ae6b-31ba-7a9f-9905-55dfd3639aec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009298
StatusPUBLIC

Content hashes

Canonical textd211031e616c8d4fcdd6cac4e074e03f4d73db8ada5cf0ea51fcc64d516a3035
Markdown868936a2d328e67508e6aefcbe33910fd4ecd9447aa4fb9d2aeb16406bd3a85c
PDF
Publication page2fb831a899253dffc0959be30b90eea579c5ad1bc59b0241f8054a6afff4c41c
Manifest3d5f9d93bc4742683e3c63ac8b24d833ebf361a5445569e4ad4eb04b343ad54a

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
Signatureto9hM+/GPkj1qD15xGdp8Jr0QzQ3D+kRhozg8hZHot1OGeuHq5Z8aXHHM7QOwktCDmgu6CNQ7Ee5+l/kS0roAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:04.219216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009298
observed 2fb831a899253dffc0959be30b90eea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.197480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009298/manifest.json
observed 3d5f9d93bc4742683e3c63ac8b24d833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.179397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009298/publication.md
observed 868936a2d328e67508e6aefcbe33910f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.160556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009298/publication.txt
observed d211031e616c8d4fcdd6cac4e074e03f...
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.