OpenTechnical

OT-2026-000082991

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000082991) never changes.

Identity and time

Publication numberOT-2026-000082991 · never reused
Internal UUID01a0ae97-8cca-7df9-ab90-5029c179f25e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082991
StatusPUBLIC

Content hashes

Canonical textec48c41162a302c2c6aff13e6b77b91d4d583e866a56dfb42081633285408f28
Markdowne88e406cf90a43491b2f8d58bb9b67ec44d648f2457479c17001aa4753e4885f
PDF
Publication page841b0db7c649c526ecd5eb60fcea15a3acc8299a4442f9af821504a2f296bbc9
Manifest9537020dbb0aea5a83b25c962975b538ff874c27e0468edf0492290daadcd4d8

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
SignatureQ13mJiN8ARaezGnLaoihIZnGOr1CgAkUYZTHO31CK4eNGY+r0GpcLbDueYUoxJQxEs0C6LIC1pzoR3TMNGo4Cg==
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

2026-09-17T09:58:41.786804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082991
observed 841b0db7c649c526ecd5eb60fcea15a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.770128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082991/manifest.json
observed 9537020dbb0aea5a83b25c962975b538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.752213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082991/publication.md
observed e88e406cf90a43491b2f8d58bb9b67ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.735242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082991/publication.txt
observed ec48c41162a302c2c6aff13e6b77b91d...
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.