OpenTechnical

OT-2026-000089463

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000089463) never changes.

Identity and time

Publication numberOT-2026-000089463 · never reused
Internal UUID01a0ae9b-db02-7018-9e0a-8ba7f7906142 · 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-2026-000089463
StatusPUBLIC

Content hashes

Canonical textd7d7c7b3857f917652a77f393b4c69b83923f66c11722609f99b2ccc379eb2bc
Markdowne362cbbf2a06c8efc473b5cb7e65e20d995337218dc6a3a6d5e67ad74b356713
PDF
Publication pagea9e35a0c3b4b0c5d8d7057fe1103664aace625006cbc949b3543d9cc52c5aec8
Manifest072792345ec8bad1d70c3445bb3259921f2883dede87d72252c3733a02c1b558

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
SignaturePOvW17IHgVn4N+85L+0h69dvIVVCkdEFI5ACttRNoYmAKa/XsFkCfN2IrZ0zLeUdbRwavB3XowATBys5G47hDg==
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

2026-09-17T09:47:36.754001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089463
observed a9e35a0c3b4b0c5d8d7057fe1103664a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.737496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089463/manifest.json
observed 072792345ec8bad1d70c3445bb325992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.720795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089463/publication.md
observed e362cbbf2a06c8efc473b5cb7e65e20d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.704350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089463/publication.txt
observed d7d7c7b3857f917652a77f393b4c69b8...
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.