OpenTechnical

OT-2026-000061802

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, vented 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-2026-000061802) never changes.

Identity and time

Publication numberOT-2026-000061802 · never reused
Internal UUID01a0ae8b-b8ac-7f41-b752-fa759c74c23c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061802
StatusPUBLIC

Content hashes

Canonical text6ec80ff914e81e687be61b9f695c469cdbeb7811582caac3ef4a438d17fd885f
Markdownda1fcd7792fb7735dd67f1811f6648e38336d9b52cb5975988329b444115a86d
PDF
Publication pageecdf3256842d2a3ef4454bf0839ff408cf4180654ccc4f6003d6f8e36de28511
Manifest957d193acb30f11cb94d618cd495eced566ff8ed817ef04398d311ed12e433e9

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
SignatureBDG0LcPvA4TocSgnolLIUwxdvTBJEXoCtaCJajSfKujAmyEvgsSL0qZGb2TmlHiZtPrUb1NYihOk4Q+zOfSDBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:31.568294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061802
observed ecdf3256842d2a3ef4454bf0839ff408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.549669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061802/manifest.json
observed 957d193acb30f11cb94d618cd495eced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.527370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061802/publication.md
observed da1fcd7792fb7735dd67f1811f6648e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.504514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061802/publication.txt
observed 6ec80ff914e81e687be61b9f695c469c...
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.