OpenTechnical

OT-2026-000086403

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000086403) never changes.

Identity and time

Publication numberOT-2026-000086403 · never reused
Internal UUID01a0ae9a-2c97-7f90-b387-fd9468a9d6d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086403
StatusPUBLIC

Content hashes

Canonical textf2ea16739eb0eace411c0ac3dfa240318ca0a750b2b29a08d5d9a0b433824f8c
Markdown19c9906faf4697fcc36bdeb415998c88911cc1feeaf74766636c193e34c6fe76
PDF
Publication pagefe05ee0bd0c7091a4703467f53420466d3f214b08778a555dd6c5c24c3e7726f
Manifest94c3120f3ed1d667826df8d68532d7507b8a7e10f400b3b5985c249544ed79ba

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
SignaturehVoygbPGTigHMsh53bHsqO0Asv8u1x6E8ktsleU476ZaCl9NQ0h4C4bJS5nfaQjyb0Bu4Hv505ODtmMMWvRIAQ==
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

2026-09-17T09:52:11.474424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086403
observed fe05ee0bd0c7091a4703467f53420466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.454761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086403/manifest.json
observed 94c3120f3ed1d667826df8d68532d750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.426911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086403/publication.md
observed 19c9906faf4697fcc36bdeb415998c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.408053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086403/publication.txt
observed f2ea16739eb0eace411c0ac3dfa24031...
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.