OpenTechnical

OT-2026-000070602

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented before 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-2026-000070602) never changes.

Identity and time

Publication numberOT-2026-000070602 · never reused
Internal UUID01a0ae91-5460-74cf-9f88-94955fa95411 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070602
StatusPUBLIC

Content hashes

Canonical text1e287235ecd729e29fb99611891c2d5f54c3ae1872caac01614d63c28ead25d0
Markdownf4ffb3f4dbd6c26d1d3bf711a6a4a5ff393e72add4483b27c6db75c5f44f0764
PDF
Publication page9d8630cd7c669e2334af3bd7154a5d7a43a0f5ac9f555bd47f2c71c35c9a8d4e
Manifest2c46cc16739588aa1ee071d0d6ed1262905de3cb5f818c58d07d813049cf83ae

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
Signature/nDuqWOTfoXHqSkTO0lfEZ/dHJMjqXV268MxBYt00GPdekoNk+l0B105TiUXncg1J02kRI/2ZWjRN4Vx/luxCQ==
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

2026-09-17T10:26:27.611604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070602
observed 9d8630cd7c669e2334af3bd7154a5d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.594010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070602/manifest.json
observed 2c46cc16739588aa1ee071d0d6ed1262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.576374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070602/publication.md
observed f4ffb3f4dbd6c26d1d3bf711a6a4a5ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.559405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070602/publication.txt
observed 1e287235ecd729e29fb99611891c2d5f...
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.