OpenTechnical

OT-2026-000088407

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line 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-2026-000088407) never changes.

Identity and time

Publication numberOT-2026-000088407 · never reused
Internal UUID01a0ae9b-5d27-785b-9bc4-3cfc875c426d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088407
StatusPUBLIC

Content hashes

Canonical textf0000daf7ba94840380b0321dcd68ca6b1a29fc1389f3f67aa4bbb0cda4fbe7f
Markdownf7f83b1ea4cd8d6c803d9f9b64759a03a71a2f6c4841587c354e195b8c78abed
PDF
Publication page539717d90a74f8c8a4b4aa210f43c390e9e8c52277c65bfb7c32b39c737307e6
Manifest6871e96e5cbcc1f9332bc1b138210e25e4eabbf8a63e76f9b79f7e0f517a2218

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
SignatureGd+z+9hifw5iM/72NqZEhLNdbSzhq+hxznpa7tJWO0DHbPwDmhzv0ID8FNsKj4aYTnz1J0ENcYX2OTMlXwC5Cw==
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

2026-09-17T09:48:46.237311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088407
observed 539717d90a74f8c8a4b4aa210f43c390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.219351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088407/manifest.json
observed 6871e96e5cbcc1f9332bc1b138210e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.202193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088407/publication.md
observed f7f83b1ea4cd8d6c803d9f9b64759a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.183218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088407/publication.txt
observed f0000daf7ba94840380b0321dcd68ca6...
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.