OpenTechnical

OT-2026-000079553

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, sustained 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-2026-000079553) never changes.

Identity and time

Publication numberOT-2026-000079553 · never reused
Internal UUID01a0ae96-0b92-7f00-b655-048fe1fbfb1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079553
StatusPUBLIC

Content hashes

Canonical texta0449e65ada87ac565e1e515ec43693e74df6d78ec3a9fea6fd003e77275042a
Markdownc6e65d2bfdc4f9460648e32182c8b6d46d2f8efc65f7d1680c8974f0188f6c3a
PDF
Publication pagec5efd773be02891578da3023b263d987ded0873618c46ff0224f53cc0368183a
Manifestb736cc487fccb5a043e39d2f1a3eb4595a5693b6e984d27382268f1d8da465cd

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
SignatureiTzc7rLqpvjSli82g7ykuWHHL4qsmJi70yFcNuUrh6xgLTwCKdvzwqdPzrHGmWz7ApZgW034gMPISB5SdMtoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:12.193854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079553
observed c5efd773be02891578da3023b263d987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.176182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079553/manifest.json
observed b736cc487fccb5a043e39d2f1a3eb459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.157617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079553/publication.md
observed c6e65d2bfdc4f9460648e32182c8b6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.140258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079553/publication.txt
observed a0449e65ada87ac565e1e515ec43693e...
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.