OpenTechnical

OT-2026-000078884

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000078884) never changes.

Identity and time

Publication numberOT-2026-000078884 · never reused
Internal UUID01a0ae95-ccbd-7912-86b6-07c065acadad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078884
StatusPUBLIC

Content hashes

Canonical textd5fa66d6cfebafa110ca5f2514a4f66c1edf58641c7f073925bc1dd912add770
Markdownd2a9a9287a3b5108d14154764d86bbbaf77fc85b2df8146f5d1a8ec9ce269628
PDF
Publication page432151281ec2c2a7b28645ae0ed6006cbd9cbdeea5d8b6c63de31b009a1bc067
Manifestd9011b0af94008fbf50c3c6d1bfcbefb67e2c582ed6ca53393b4b7cead899b4f

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
SignaturexbDYS+wzpTHFAB/lxVIsyITUNtMn9iBhcGXmPMU9WSpJ1Puz58VXO57xALi/Xv/udHlf9MGuUQxVGZn4JzJ6BA==
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

2026-09-17T10:05:41.421504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078884
observed 432151281ec2c2a7b28645ae0ed6006c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.403108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078884/manifest.json
observed d9011b0af94008fbf50c3c6d1bfcbefb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.383756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078884/publication.md
observed d2a9a9287a3b5108d14154764d86bbba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.366396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078884/publication.txt
observed d5fa66d6cfebafa110ca5f2514a4f66c...
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.