OpenTechnical

OT-2026-000082617

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000082617) never changes.

Identity and time

Publication numberOT-2026-000082617 · never reused
Internal UUID01a0ae97-8cc8-7452-ad4f-b8257fb4d3cc · 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-2026-000082617
StatusPUBLIC

Content hashes

Canonical textd9a7595aa8b446875282b427f796257d8ea1d5ef260b7719cd8ca5aff5a2aa64
Markdown799a74ec704c407f32205218185995c328729442bf1c308a761e79d768a14888
PDF
Publication page8978c6fe63ad4c04b8953483fe59087d766c3c92157bdfb1333a50022b89df57
Manifestf1a8eed7f0305d381a36211c3ad07af46c02f09217d711861973cb3335cc6954

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
Signaturem81pL2hOefLMRu9y40APwTp5GD3x3sBtccVW6QrYbghG78Acp4NZLNzc5m26MoDSbudDDUl2KtQ+8NQCSFOlBA==
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

2026-09-17T09:58:03.782401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082617
observed 8978c6fe63ad4c04b8953483fe59087d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:03.752942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082617/manifest.json
observed f1a8eed7f0305d381a36211c3ad07af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:03.737259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082617/publication.md
observed 799a74ec704c407f32205218185995c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:03.720458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082617/publication.txt
observed d9a7595aa8b446875282b427f796257d...
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.