OpenTechnical

OT-2026-000070909

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000070909) never changes.

Identity and time

Publication numberOT-2026-000070909 · never reused
Internal UUID01a0ae91-8c2d-7af0-9cb6-49f4b65b1631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070909
StatusPUBLIC

Content hashes

Canonical textd0dc65a5f4359abc8484649bfdc06c96000d33166d45c2b7cd831dbb5aecf71f
Markdownb5bc67fdd8837233a6300916f8c24748b6f975b75356a4bc1e0247e4f0587d1e
PDF
Publication page90d4c80fa1b01ccf40dcc529d1ab8471a69ed4d3dc88ac1e9d1c017c54519c62
Manifestbc7cd775685f07bfd24f02fe4e39f47ef57699d55afc7f5a0b18b51a08d378a9

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
SignatureUenNabRvS7Bi09JZw9ujeyaLrYUbdRCjNARqS6dYdx4w2WQLMaL2rnD1aSRMsxKBwpH/GM6frgGmUl/+vgTiBQ==
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

2026-09-17T10:25:44.327898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070909
observed 90d4c80fa1b01ccf40dcc529d1ab8471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.311583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070909/manifest.json
observed bc7cd775685f07bfd24f02fe4e39f47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.294247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070909/publication.md
observed b5bc67fdd8837233a6300916f8c24748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.278266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070909/publication.txt
observed d0dc65a5f4359abc8484649bfdc06c96...
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.