OpenTechnical

OT-2026-000082437

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000082437) never changes.

Identity and time

Publication numberOT-2026-000082437 · never reused
Internal UUID01a0ae97-4d96-7ea3-999e-30bdb707537a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082437
StatusPUBLIC

Content hashes

Canonical textc3d01362354997d04085199140c5137a263db40ec09f337a0c33c6306401c91c
Markdown2303cad0b64cd19000e6b6eced06175b961bcaa98061ae2c384adff140fc7950
PDF
Publication page823778a3700b99b435fc075823033fef636b32d8a3d6a04cafc3e9a670a04b6f
Manifest876062702610c0315dcb1e83b0f4c57d4547fc93e8a6a21c824becea11e9f7d0

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
SignaturemmBPRs0j5S3YpOgu/wYhSszoVYQDIZvqGxCdhAhtP6j89OYjwRC+DZeGi3xPCCRrLZ2xIcRE0tYfhZdIOyUFDw==
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

2026-09-17T09:59:26.031783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082437
observed 823778a3700b99b435fc075823033fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.011320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082437/manifest.json
observed 876062702610c0315dcb1e83b0f4c57d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:25.991957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082437/publication.md
observed 2303cad0b64cd19000e6b6eced06175b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:25.971684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082437/publication.txt
observed c3d01362354997d04085199140c5137a...
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.