OpenTechnical

OT-2026-000089387

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089387) never changes.

Identity and time

Publication numberOT-2026-000089387 · never reused
Internal UUID01a0ae9b-db01-7100-939f-1bea1099b39e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089387
StatusPUBLIC

Content hashes

Canonical text98ec08d74211776c828cd57073117dafe969bb7121746ade553d90694fcc29bd
Markdown0c86884ef9b6f99ed4ca6460dc470ef3b4edfe9eef2b3616fe34b1ce57948b3e
PDF
Publication page5d05942ea8e08f05f2a6c0b6b1617fa0aa705cfe783dbdd073575a42e739c5e1
Manifest1462bfdc7f5487b40ea97127a45f1dc06fada6365df4130224574c6ccba34ef8

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
SignatureppY6q6k14W711ccS6aYLvnX2KACoMrrcdsjhh3wZVZYpds3GQikP88GaF4e2t/c/9cwtMXJNN8FOuDsyjGIYDA==
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

2026-09-17T09:47:31.548335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089387
observed 5d05942ea8e08f05f2a6c0b6b1617fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.530924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089387/manifest.json
observed 1462bfdc7f5487b40ea97127a45f1dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.514067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089387/publication.md
observed 0c86884ef9b6f99ed4ca6460dc470ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.497400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089387/publication.txt
observed 98ec08d74211776c828cd57073117daf...
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.