OpenTechnical

OT-2026-000089440

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000089440) never changes.

Identity and time

Publication numberOT-2026-000089440 · never reused
Internal UUID01a0ae9b-db02-75b8-ad05-8f0da0cc42fd · 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-2026-000089440
StatusPUBLIC

Content hashes

Canonical textfc4effd8ff5dc56650e4aa597b65b40e973fa49575184651c61a39998f53979e
Markdown38477b72212a34b73e8e292c44de72040908a64e12beba6b32b5c2259a28d6be
PDF
Publication page685d58163a71801a446d8f81104d4657e690fee1b8a616ff6ebd05bab6bd5683
Manifestaefa2124913e7871ae308fce7d59a992cf4a127d132391065f8f4835024d3585

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
SignatureVqniE2GC+RPeIXzyrRk8I7qJiSUa3PKlDp5MH7TqENxvlfIma8h+Nix7L+U8CdJ1swMPANFdLBph7ilfYMvJDA==
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

2026-09-17T09:47:35.297422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089440
observed 685d58163a71801a446d8f81104d4657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.280677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089440/manifest.json
observed aefa2124913e7871ae308fce7d59a992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.263581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089440/publication.md
observed 38477b72212a34b73e8e292c44de7204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.247262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089440/publication.txt
observed fc4effd8ff5dc56650e4aa597b65b40e...
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.