OpenTechnical

OT-2026-000068082

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068082) never changes.

Identity and time

Publication numberOT-2026-000068082 · never reused
Internal UUID01a0ae8f-c4fe-7bc5-a56c-78e56985701e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068082
StatusPUBLIC

Content hashes

Canonical text72e676b23db47e9ad960c967a50f7cb40a01f8cffa31d933d25d40e41dad1a72
Markdown495abd0bfcf7e24c7f4a341a5d30d5a003bdc8ed6ba5bb9733c4673cc1df6977
PDF
Publication pagedbc18eaac354f6979e4c114bf0ea0856f27b45131f3d8e1fc00eaff43e16dd73
Manifestfadf57b0004f1532812a258db8e920b205630c94b7f02869a4d9f6aacda06941

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
SignatureLTq+SCzHZMSSnDi1NWVUOmAvemEq/Jo5qUD0kD1pRt3EgS7NUqxZWTI+xj7mlI8leW2NzqSfqPXNKSKWOh3SCA==
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

2026-09-17T10:30:40.463322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068082
observed dbc18eaac354f6979e4c114bf0ea0856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.444186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068082/manifest.json
observed fadf57b0004f1532812a258db8e920b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.421870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068082/publication.md
observed 495abd0bfcf7e24c7f4a341a5d30d5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.400613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068082/publication.txt
observed 72e676b23db47e9ad960c967a50f7cb4...
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.