OpenTechnical

OT-2026-000040441

Publication integrity record

Single cup vacuum gripper, two stage ejector, sustained 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-2026-000040441) never changes.

Identity and time

Publication numberOT-2026-000040441 · never reused
Internal UUID01a0ae79-2701-7b0d-b14c-2e18dafdf935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040441
StatusPUBLIC

Content hashes

Canonical text3c2945aaf4606b72e97adb3a72f148d01c056257919a4d1a378a82f0403351e2
Markdown236c8f875d24ac4bbc33ad55b3f41dde5e6ad67c6a294e0c824f8945767b6638
PDF
Publication page17fd2e4846e9caea4fe3455fcbde77b7945affe9534a0c6a14d9a3878b251ebe
Manifest6b42d8a61b96b98025e20f189a2e8e684738da17f386e65782bfc750aa4de063

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
Signature7gSWIVwcwMibPmZcbIxWyUlVxMWBFsH+bwY7KXbTTLePPTrpLow01jikMWFUbijkVnTVtluAQRZFyuOXNbXnCQ==
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

2026-09-17T11:19:27.576668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040441
observed 17fd2e4846e9caea4fe3455fcbde77b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.558556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040441/manifest.json
observed 6b42d8a61b96b98025e20f189a2e8e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.539347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040441/publication.md
observed 236c8f875d24ac4bbc33ad55b3f41dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.522082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040441/publication.txt
observed 3c2945aaf4606b72e97adb3a72f148d0...
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.