OpenTechnical

OT-2026-000040457

Publication integrity record

Single cup vacuum gripper, three 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-2026-000040457) never changes.

Identity and time

Publication numberOT-2026-000040457 · never reused
Internal UUID01a0ae79-2701-72c6-8ab1-bbc0b1cc5e54 · 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-2026-000040457
StatusPUBLIC

Content hashes

Canonical text11f59d8e63c765b0db8085bc531f6ff2589f5d80e0d74201d7f152a7f12325da
Markdownd685a2047b2078f218e7ffe4e3b90e3c5a5d0c9c5721d6c2d76075c7c1405517
PDF
Publication pagee3018fc78749d967b8f685fd695c061d958add8f643c0d198938804d5dd56429
Manifest987f8fd2b2077a2e7f0083adf24443bd6483f66f33021dcd3a1c25a0bdf4c2f1

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
SignaturejBHxjsZ9tukWguzmJ+OhXxjpSwx/J2fYXM8gg8SY/flFEVRIHJhJKq/AuHuuV7yXpAceHbkAZiwkeoU/Bfx/Cg==
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

2026-09-17T11:19:30.077993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040457
observed e3018fc78749d967b8f685fd695c061d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.059338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040457/manifest.json
observed 987f8fd2b2077a2e7f0083adf24443bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.042663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040457/publication.md
observed d685a2047b2078f218e7ffe4e3b90e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.025293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040457/publication.txt
observed 11f59d8e63c765b0db8085bc531f6ff2...
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.