OpenTechnical

OT-2026-000089337

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000089337) never changes.

Identity and time

Publication numberOT-2026-000089337 · never reused
Internal UUID01a0ae9b-db01-7fbc-aa0b-84c41532469f · 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-2026-000089337
StatusPUBLIC

Content hashes

Canonical text62d4806d063156beb4b2a8addd14b0a0f5ee27ea02e4ebf20a84c9e61e1b3fe4
Markdown7ceef5369632d90f25e31dc69e7b63e82023805e6db40c734122e027da6f64a4
PDF
Publication pagef136bf513b71e7b413c4826f6bd7937b07d4498dad85708060adf99934adb067
Manifest0a9af39219bed09f2eae85e1dc87465c7ae84f73b914f6560fcb730f19cb2d54

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
SignatureuTQaC3hWey7CP3rzUyonvYmqTeG6sT3R6dOS19o+Ug+ZDgSr2EIjyS0gquLOTkHOH5r8xasHL5WUVmps38WcBQ==
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

2026-09-17T09:47:23.525248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089337
observed f136bf513b71e7b413c4826f6bd7937b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.509105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089337/manifest.json
observed 0a9af39219bed09f2eae85e1dc87465c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.493709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089337/publication.md
observed 7ceef5369632d90f25e31dc69e7b63e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.476281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089337/publication.txt
observed 62d4806d063156beb4b2a8addd14b0a0...
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.