OpenTechnical

OT-2026-000034304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000034304) never changes.

Identity and time

Publication numberOT-2026-000034304 · never reused
Internal UUID01a0ae75-df0e-7a4d-80c8-1850820cd246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034304
StatusPUBLIC

Content hashes

Canonical textd805d959d8ac9779969f429f71779def3dc889c3314f7b74bc702c6393426917
Markdown01f24319abe16f8302a69895a36fc38572eed3cc5526eb557caf844b78efc688
PDF
Publication pagefee0e59585f395947375bac65a11ac1a76ce6aa15322aa1f145552184fa5efc0
Manifest8e97d7a106930cfee4141c420538f8387624303def82b09c6e0b9a3efad378cf

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
Signature1zwtHbBj3zKpWEmMYuTbl9ins/9qJCajsPMPabHty6q+F6L9/C43/8Fq+/kU0m/gMdee1cmPmeDFUSVaNi2QBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:59.701569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034304
observed fee0e59585f395947375bac65a11ac1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.684310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034304/manifest.json
observed 8e97d7a106930cfee4141c420538f838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.669422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034304/publication.md
observed 01f24319abe16f8302a69895a36fc385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.652293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034304/publication.txt
observed d805d959d8ac9779969f429f71779def...
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.