OpenTechnical

OT-2026-000067575

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000067575) never changes.

Identity and time

Publication numberOT-2026-000067575 · never reused
Internal UUID01a0ae8f-6bda-7536-9d64-e24b17606d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067575
StatusPUBLIC

Content hashes

Canonical text26c8e4020510741200ab329ffacbd1182eef28fceac8fb7bf4696116db61f437
Markdown4620ca9010054e9aee2cddba6d2c7d31405e7e303525e547a82757f50866c660
PDF
Publication page1e7f074f1f9e875ea0389eef52c8306d87567445d994dcd4defba064bd322c57
Manifeste91ce1cf68122338fd2a1a670e001e2f46c6001eacf4ddeee5867960f771f616

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
SignaturewrtFtYXdzskx8ThhNyHWPwaYEINS1Dcr5Qyg7bbKJGOzqyad6TcAl187r2HwLJmctnspMMylRCyYifhfYaONDw==
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

2026-09-17T10:31:53.222916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067575
observed 1e7f074f1f9e875ea0389eef52c8306d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.206332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067575/manifest.json
observed e91ce1cf68122338fd2a1a670e001e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.188122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067575/publication.md
observed 4620ca9010054e9aee2cddba6d2c7d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.171116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067575/publication.txt
observed 26c8e4020510741200ab329ffacbd118...
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.