OpenTechnical

OT-2026-000077754

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000077754) never changes.

Identity and time

Publication numberOT-2026-000077754 · never reused
Internal UUID01a0ae95-2ed0-71c5-b92c-2bbd00b0dcb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077754
StatusPUBLIC

Content hashes

Canonical textcc18088a962a66a45666ca1251cfab7688c22e770db1696ce211d3a2dfb72e4c
Markdown2bdcda31589f24125f50eff1fdb63ef292e130303e7d7d484b1e3aef005a0c22
PDF
Publication page040e102a649b255062171846387410bda3806aa123cb319b76ded01afb519edb
Manifeste9990d6f3fbd8223d5a82ddb54e75dd3c2bb723169092ce1fe2eb74af389996e

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
SignatureIMou8TLEzN1z3GLLcfRaX+Ay4I/sJAcloeVAJLEOTIktqIAK1geMs5PpjxcUBXHnlzBn5zQ74nJwegHfEAGyDA==
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

2026-09-17T10:07:20.174642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077754
observed 040e102a649b255062171846387410bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.156455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077754/manifest.json
observed e9990d6f3fbd8223d5a82ddb54e75dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.136165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077754/publication.md
observed 2bdcda31589f24125f50eff1fdb63ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.115414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077754/publication.txt
observed cc18088a962a66a45666ca1251cfab76...
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.