OpenTechnical

OT-2026-000033385

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000033385) never changes.

Identity and time

Publication numberOT-2026-000033385 · never reused
Internal UUID01a0ae75-8980-7176-b340-f5e9e375d798 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033385
StatusPUBLIC

Content hashes

Canonical text5dc2218e1cf4c45abc00871091cc83339d71fbdf549374b6247e756eb8c0aa5c
Markdownf6848f837384d1a2169feb2044fb36b189d396586c232b8aa11ecbc12790f1a2
PDF
Publication pagee2b45e256e2c4d839beabfe4e5d20a11f1c21c429e62e8916c878c5378267a5b
Manifestc5c3aef9b9b9cb3be2852b8a743ec52c8ea4a88d8024054d1863c03f26a5fffe

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
SignatureNapXKwdBfgK9VccgG+99ui80sa9wuseyHwaeXUSVoZjld+VJh2VbEQL7QxIVAwiJ3KdjYmPlfrME6UcrqOZmBg==
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

2026-09-17T11:32:09.603772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033385
observed e2b45e256e2c4d839beabfe4e5d20a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.585339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033385/manifest.json
observed c5c3aef9b9b9cb3be2852b8a743ec52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.567252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033385/publication.md
observed f6848f837384d1a2169feb2044fb36b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.550509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033385/publication.txt
observed 5dc2218e1cf4c45abc00871091cc8333...
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.