OpenTechnical

OT-2026-000089585

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089585) never changes.

Identity and time

Publication numberOT-2026-000089585 · never reused
Internal UUID01a0ae9c-1a21-76bb-9a5d-0ee96925526c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089585
StatusPUBLIC

Content hashes

Canonical text27cb96e32980440f94299b12668ddec86cba029184f66c142d0b28ba7928a4e0
Markdown12d22ed72e725698704c9bde81331ff19205145181498215be651ab30827dca4
PDF
Publication pagedd633c1b5986ecc7f40e18b3b5e9e8cb8c7739b21c0cf98674f3f46b5171054e
Manifestfe840b8334a4f8b3ceca3bfe08cc752fe3becb52798d5bbbe2a8e21f84299f4d

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
SignaturewdWsOlVZQxvhYBh4Nj/ekyjMnGkyo0Q5uOwbvEdnVVh4JAEhTH8Wm+ge+li/ASmtN9pZ+63AapgaPrVKTFzZDA==
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

2026-09-17T09:46:33.601611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089585
observed dd633c1b5986ecc7f40e18b3b5e9e8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.584551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089585/manifest.json
observed fe840b8334a4f8b3ceca3bfe08cc752f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.537916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089585/publication.md
observed 12d22ed72e725698704c9bde81331ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.522724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089585/publication.txt
observed 27cb96e32980440f94299b12668ddec8...
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.