OpenTechnical

OT-2026-000069017

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069017) never changes.

Identity and time

Publication numberOT-2026-000069017 · never reused
Internal UUID01a0ae90-6dcd-7884-bede-42d4d17b10be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069017
StatusPUBLIC

Content hashes

Canonical textba36d529e13cbe013b353fabc06a5b2a628b1f4b114ac7a93e6440f7c947cd0d
Markdown09c2f839d65466a5bfd9ab828ab1866dba5375ed139ca83070c32a8dffa134c1
PDF
Publication page33cabb34db1a9e22a10029ec2e276a58f001097f980eef2ac6e9d8d48d9e8802
Manifestb463c7282900c34d0a4f675973906011bcdc472cde9b155a320a7c1732689b70

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
Signature7dtb2HfVbMiWekjeK6iL4Z8y/zEihe5JjPnIB7RP1CVRC2oybTbUSTbp/2T/UfQZM6cFZl/wlalnUcPdgOt3Aw==
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

2026-09-17T10:28:52.083763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069017
observed 33cabb34db1a9e22a10029ec2e276a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.066557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069017/manifest.json
observed b463c7282900c34d0a4f675973906011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.047192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069017/publication.md
observed 09c2f839d65466a5bfd9ab828ab1866d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.029619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069017/publication.txt
observed ba36d529e13cbe013b353fabc06a5b2a...
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.