OpenTechnical

OT-2026-000027395

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000027395) never changes.

Identity and time

Publication numberOT-2026-000027395 · never reused
Internal UUID01a0ae72-6997-7f6c-95ca-a29a3354f227 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027395
StatusPUBLIC

Content hashes

Canonical text0435278863c36085e8ffceea4006c19e4b05b8955aaf3ea075215a9051efc49b
Markdown28c6672a5deef6a990885a4570e1c3709bd7411bc3f4214c7a347259aa2fc83c
PDF
Publication page0cd3bf79668fa2e5151ecb878d33b953b09c126319d1b3c207c1f62f9820eadc
Manifest38ddddd138902d96a99ee58e0067274e8ade5e36398963e5b206757dd5d28b0c

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
SignatureWt6A8AGlsSvE5ao8F31nmw47uFw+SbOtwbNtnj7fNBwHoUGKrhwok2JA6i1/u7OuMw1jNRI3FB0bS9/k0JPjDA==
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

2026-09-17T11:42:49.049951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027395
observed 0cd3bf79668fa2e5151ecb878d33b953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.005743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027395/manifest.json
observed 38ddddd138902d96a99ee58e0067274e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.988750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027395/publication.md
observed 28c6672a5deef6a990885a4570e1c370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.970889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027395/publication.txt
observed 0435278863c36085e8ffceea4006c19e...
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.