OpenTechnical

OT-2026-000059889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000059889) never changes.

Identity and time

Publication numberOT-2026-000059889 · never reused
Internal UUID01a0ae89-ec26-7910-a4be-db70ad1db5d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059889
StatusPUBLIC

Content hashes

Canonical text93af7fd696ec5e7c14c8cb3b898c8f5c6ded4431d41869277b254b5c335667a1
Markdown4998997a4bc68ac1462df6d6a1b6300ee2056afaeba03125de0d02822545e66c
PDF
Publication page69af7896b25ea83ad816e3e163ce351fc58a944650072fd415dab05309bb15d8
Manifest6319855dad062cc39ee821b35c4f05a27ba3061e8546ea322437afb3ba590add

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
Signature7/iGB4xV6GYwdLhxFwq0PSt89EUjOKGDQ+pfDhiTbEyymsMdUJ54ff2kOOPbGHAHpRX/fOy+Oo+V8lu2LITKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:38.926493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059889
observed 69af7896b25ea83ad816e3e163ce351f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.910492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059889/manifest.json
observed 6319855dad062cc39ee821b35c4f05a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.893212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059889/publication.md
observed 4998997a4bc68ac1462df6d6a1b6300e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.875044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059889/publication.txt
observed 93af7fd696ec5e7c14c8cb3b898c8f5c...
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.