OpenTechnical

OT-2026-000086263

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained 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-2026-000086263) never changes.

Identity and time

Publication numberOT-2026-000086263 · never reused
Internal UUID01a0ae9a-2c95-751b-aa95-7f09cc19dfef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086263
StatusPUBLIC

Content hashes

Canonical text4b7d681ae9a0317f122b0110188147fe48247a459e64053572eebe4e9f5c6ba1
Markdown100c7a417d1debe3d5b9b13833b0feed79fc66b8101329860e16be8b5eab084e
PDF
Publication page9c395d7894a0d7d987f7e9e3c1f9c3a5a02f2e7e1bd45ebddb0c940ec7a58432
Manifest2b0299826d8d45ccdcf8e280c7473848bc75db6b76177158e420307c194f3558

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
SignaturefRZdJXSv5OaD3m+vjetojq81tATLC6qVwMJwDldU3aeifRFQPHcHvfIxOPTEDT5gMDX83kVe998cd6V3I5IpAQ==
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

2026-09-17T09:51:55.831613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086263
observed 9c395d7894a0d7d987f7e9e3c1f9c3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.812554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086263/manifest.json
observed 2b0299826d8d45ccdcf8e280c7473848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.793809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086263/publication.md
observed 100c7a417d1debe3d5b9b13833b0feed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.777137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086263/publication.txt
observed 4b7d681ae9a0317f122b0110188147fe...
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.