OpenTechnical

OT-2026-000043019

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000043019) never changes.

Identity and time

Publication numberOT-2026-000043019 · never reused
Internal UUID01a0ae7b-3278-7492-a996-877d803c6b51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043019
StatusPUBLIC

Content hashes

Canonical text19b407abe0f7309ea2fad1c059d4907c9794991a2be38b5cb565eab1ea716c36
Markdown64f4b1c218162a0fecee68d15d69282a65f29dc90f656daedfd57b8bc86ec7cc
PDF
Publication pagee7f34bfb6de9ab7a9c3b5925714bd47b1b7b9f32c17415b6312fae7aedab491f
Manifestb1874f69af5d03b01c1f0150d30dac05c8f800dbc8c9dca8813973896348174c

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
Signaturel/hqD8pkmYCqIJucl3I9FxDs2YQOdu36gecZUYaCVduZicYPODLSSwGGpdJBecxrWKdVsUppGM5ZaxSk4Qq6Bg==
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

2026-09-17T11:13:20.023465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043019
observed e7f34bfb6de9ab7a9c3b5925714bd47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.006170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043019/manifest.json
observed b1874f69af5d03b01c1f0150d30dac05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.986661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043019/publication.md
observed 64f4b1c218162a0fecee68d15d69282a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.969490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043019/publication.txt
observed 19b407abe0f7309ea2fad1c059d4907c...
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.