OpenTechnical

OT-2026-000008783

Publication integrity record

Single cup vacuum gripper, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000008783) never changes.

Identity and time

Publication numberOT-2026-000008783 · never reused
Internal UUID01a0ae6a-e46c-7858-b168-11c81a5985ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008783
StatusPUBLIC

Content hashes

Canonical text425d7465b7b00ae70893906687484bf5fd1324a9f2f184298331e5bb1ec657be
Markdown8a99e28c3dea9bbdf572a1d057996461d8eed25af58b73eba2a98e02b5edc3e9
PDF
Publication pagedaacbc24ac685121374fe39ebe0809d4ec3ee24db5c21bd3a04601b2bb7aa0b7
Manifestffd68fd25c6cb7471f11f60412f2cddfa4c5c796fb9ec9dfe172cfd8564e111a

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
SignatureuP4adKZzmSiXgi+Yw6e3wY9ONDmrRadBFezD6Hrd9rXbFK18pNoQkV8ZvfsToqRLfOMQwZaxwuGoJONzh6wiAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:07.488382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008783
observed daacbc24ac685121374fe39ebe0809d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.470077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008783/manifest.json
observed ffd68fd25c6cb7471f11f60412f2cddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.451824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008783/publication.md
observed 8a99e28c3dea9bbdf572a1d057996461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.433626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008783/publication.txt
observed 425d7465b7b00ae70893906687484bf5...
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.