OpenTechnical

OT-2026-000043048

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000043048) never changes.

Identity and time

Publication numberOT-2026-000043048 · never reused
Internal UUID01a0ae7b-3278-7143-9745-a93d80685d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043048
StatusPUBLIC

Content hashes

Canonical text581f69666f0ced91ee3e332b17ceccf2f2ee56d23df677c6e56abd35f6ab02e8
Markdownd73a33ec77ba82f4d4499dd1e8abeac6afd359aa1346d1b294af49955927f7b3
PDF
Publication page001c5d607ce1fedae855293da8c4b1d5239f9bf136703036f8ea91c28df63fdf
Manifestc202d6af0cca42465a56bd3381ae8fb362726c606d21102ae8a3f4e5c1f8031a

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
SignaturescOSAOTwexyUNdtaBbZm8DFbnMLldr2NsNHyZE1ml8jhOQeAgS3nA2EEAFH9yKE4Yv61nEadeYiyYQH0qhJZBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:27.216535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043048
observed 001c5d607ce1fedae855293da8c4b1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.196453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043048/manifest.json
observed c202d6af0cca42465a56bd3381ae8fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.177516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043048/publication.md
observed d73a33ec77ba82f4d4499dd1e8abeac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.157522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043048/publication.txt
observed 581f69666f0ced91ee3e332b17ceccf2...
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.