OpenTechnical

OT-2026-000078381

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078381) never changes.

Identity and time

Publication numberOT-2026-000078381 · never reused
Internal UUID01a0ae95-7c28-7363-9f28-91e8e0a740d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078381
StatusPUBLIC

Content hashes

Canonical textd487d0ebf7cf0e66695fca2af9a7025d5936e08c88bbd704cd5a22ed566d2e80
Markdown3090b12037f09f63b0ac39dd0293b48418a47d5ef6f3ac9b38e6809e0291714b
PDF
Publication page9b8bf90e5e1b6a6818501e271dbabc0fc585352e020a9999426f1514dd76cb20
Manifest66ff83aaba4200b3de485fad2b17590965eceee2d7203e4605ff68089558ddb4

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
Signature0yW4T5IjR4eNsoFaf779a2zXySM13or8IPOhDNTJVAYTgcsah8rodXHZQuzQ8PJU+gUTskba1jkFu9QaQpC5Ag==
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

2026-09-17T10:06:21.214945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078381
observed 9b8bf90e5e1b6a6818501e271dbabc0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.196375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078381/manifest.json
observed 66ff83aaba4200b3de485fad2b175909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.178451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078381/publication.md
observed 3090b12037f09f63b0ac39dd0293b484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.160079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078381/publication.txt
observed d487d0ebf7cf0e66695fca2af9a7025d...
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.