OpenTechnical

OT-2026-000061772

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061772) never changes.

Identity and time

Publication numberOT-2026-000061772 · never reused
Internal UUID01a0ae8b-b8ab-72c9-820f-9e6453bea853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061772
StatusPUBLIC

Content hashes

Canonical textd2aecd8f1100a513a4c5c55754754e314ced6723f14b5be367227cf9e3aa6080
Markdowne8bb3298a3d228baa43674ac0cf55f0d4d3daf255c4bd5f05360b80e42b131f1
PDF
Publication pageca1559725f82e31a9510138cd5bb4292dfeb1c7e82be2dfd7ac640db693a8380
Manifest884cf51d4571fee3e0051700fd933eca8fb318c43cddda14d17a28faf13c21b3

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
SignaturehYaXWMnU99mUugRMBtz8wiUR2P5pp3ZOFLcESzSSVBbxCUIC4bH2c+FWNPPcBFqUNFZcEUhX2Gp7QasLfBUtCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:28.883515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061772
observed ca1559725f82e31a9510138cd5bb4292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.862033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061772/manifest.json
observed 884cf51d4571fee3e0051700fd933eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.840919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061772/publication.md
observed e8bb3298a3d228baa43674ac0cf55f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.820584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061772/publication.txt
observed d2aecd8f1100a513a4c5c55754754e31...
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.