OpenTechnical

OT-2026-000019914

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000019914) never changes.

Identity and time

Publication numberOT-2026-000019914 · never reused
Internal UUID01a0ae6f-1fb6-79f7-92a1-4e8513ec3c49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019914
StatusPUBLIC

Content hashes

Canonical text746bb28dadd122f8548cb48465becf99a8a777c06815821e6891731eecbe7ced
Markdowne4cfef677c5b0fe01c17a0dd3bd5be6cdf37470b1691f8db9fc397fa6642e0e6
PDF
Publication page942d26d886df6b0d7cb94976adad0e1a39f5b61874fb8238864c9e0028ff3cc5
Manifestc39701ab630670c38c46063a0670d8dab49154281b1791e9bebf7b5f22fad5f1

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
Signature7KpSd3y0rxAyX5T/p9KlJKa5pFpslf3bW+XhODA0U3YW1SABDKXI4JyDIdhdBw7GTi1VbQIoqB0rRPnpz43DCA==
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

2026-09-17T11:58:07.784849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019914
observed 942d26d886df6b0d7cb94976adad0e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.765734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019914/manifest.json
observed c39701ab630670c38c46063a0670d8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.747147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019914/publication.md
observed e4cfef677c5b0fe01c17a0dd3bd5be6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.726872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019914/publication.txt
observed 746bb28dadd122f8548cb48465becf99...
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.