OpenTechnical

OT-2026-000086998

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000086998) never changes.

Identity and time

Publication numberOT-2026-000086998 · never reused
Internal UUID01a0ae9a-9f2c-7e37-914e-9a1a00164d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086998
StatusPUBLIC

Content hashes

Canonical textfcd4b997ece9899a4fb3cd228110080d9823c27b24e4e8b99ad53b30e9d1248a
Markdown64326b321f806ba1cd220214e8839657a5d6c3b185301625d2e3122f7a5eac18
PDF
Publication page5d479aa860290706a4691b9f120fe5cf1cb017e908164caa1597e4fa494dc057
Manifest98ce3ef8e9df15411f5f2d6887d8bb97161cd250e0722fca685bebc44ef1b3a8

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
SignaturezrSq3sUoWbBx8dcTESH5wdDAc+7pvtS7b6vzqIIHbgf7rKtRlo6uLgI6JUwPYS9GWR6PCNY1/0/92KFOkzuMCA==
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

2026-09-17T09:51:12.872149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086998
observed 5d479aa860290706a4691b9f120fe5cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.856865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086998/manifest.json
observed 98ce3ef8e9df15411f5f2d6887d8bb97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.839314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086998/publication.md
observed 64326b321f806ba1cd220214e8839657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.822609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086998/publication.txt
observed fcd4b997ece9899a4fb3cd228110080d...
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.