OpenTechnical

OT-2026-000071327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000071327) never changes.

Identity and time

Publication numberOT-2026-000071327 · never reused
Internal UUID01a0ae91-e0ec-7dac-947a-3a9f92d32a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071327
StatusPUBLIC

Content hashes

Canonical text6ce67b0f484378f807d4693c9d045b28da8dacc498aeeddd87e458aa11be53d9
Markdown1b61ae87d4c3e7970cd3cc1704116bfb590d49d6f0812f0d335cf3754c966e04
PDF
Publication page2dce085710109d0490387608ef1c49cae665fcdcdb4b617b47f3ed659bcef82d
Manifest997f7a38669cd5fc763d18c66daa7b1fc5a3b387f76efb868c0865ead15407f6

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
Signature0LhSkgDPX25rxkH6QPihOl8npjKL8Lnavvh3fCNKa6ffQMdcPC/fPhdGf4eAI0O0AHlrmsYzAyPHxM7KtNqUBA==
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

2026-09-17T10:24:55.256205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071327
observed 2dce085710109d0490387608ef1c49ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.237870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071327/manifest.json
observed 997f7a38669cd5fc763d18c66daa7b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.218312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071327/publication.md
observed 1b61ae87d4c3e7970cd3cc1704116bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.200010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071327/publication.txt
observed 6ce67b0f484378f807d4693c9d045b28...
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.