OpenTechnical

OT-2026-000081048

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000081048) never changes.

Identity and time

Publication numberOT-2026-000081048 · never reused
Internal UUID01a0ae96-b976-72b0-aeaf-8b691abeb3d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081048
StatusPUBLIC

Content hashes

Canonical text023234eaf759002bbe3a4c4a823d8358fad01f619a8d5e672ed4692ce4826422
Markdowncd23dbde6575469991e167196b602b466ec26b123c95a8a72b7e75ffdb281b09
PDF
Publication paged673503e4a92ba684971ae00d7d3c8c68aec909af0a938e940edf8fe38e87e38
Manifestf32cd4301399a6bc93b89249499ef70dade8717efb1b12e45d93e753de697282

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
Signature3dazSBOppRaKxxFvFdiB5VU1mNqDaR2Zpm1m26dYIF0n9f6avFsPym+0D2cccFo8g5OScqwGL+mMQcsAcFAwBw==
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

2026-09-17T10:02:20.496214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081048
observed d673503e4a92ba684971ae00d7d3c8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.476921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081048/manifest.json
observed f32cd4301399a6bc93b89249499ef70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.459335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081048/publication.md
observed cd23dbde6575469991e167196b602b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.443332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081048/publication.txt
observed 023234eaf759002bbe3a4c4a823d8358...
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.