OpenTechnical

OT-2026-000077886

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000077886) never changes.

Identity and time

Publication numberOT-2026-000077886 · never reused
Internal UUID01a0ae95-2ed1-726f-b6f5-09374c1094c2 · 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-2026-000077886
StatusPUBLIC

Content hashes

Canonical text36fee91a852bc6e151252df9df16cf1e84bc5b8c08808d2cfd90e17ef1c91767
Markdown0039f8ac57b2a8a1017b0204c7810571be5e483e702277c31eccfa5ff7448310
PDF
Publication page1fe43916fe96c8984779ad400a8ee4f7bf3e43ca35a32406b76c9b4e72a9007a
Manifest470ce642867e5eb641be7383c2c1b59519aa0a3d906f0ce24563b1cb31a9c587

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
SignaturecF0DTmDKGx4bdOihRxEYsC9Jnnwoysd6e8DdietijM36uRHXctT9LoUJ64jQtjRxXTfVAgpUNv0igQ2kbLTdCg==
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

2026-09-17T10:07:37.872239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077886
observed 1fe43916fe96c8984779ad400a8ee4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.853650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077886/manifest.json
observed 470ce642867e5eb641be7383c2c1b595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.835457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077886/publication.md
observed 0039f8ac57b2a8a1017b0204c7810571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.814907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077886/publication.txt
observed 36fee91a852bc6e151252df9df16cf1e...
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.