OpenTechnical

OT-2026-000067607

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000067607) never changes.

Identity and time

Publication numberOT-2026-000067607 · never reused
Internal UUID01a0ae8f-6bda-7453-9a80-4c411df29f7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067607
StatusPUBLIC

Content hashes

Canonical textfd2059ad26e66b16fe1f37f0120a9ff53bff3eae6c7817352efef0668a1372ea
Markdown5ec5395daedddea3ed597945ba669f9e332a3bc829203ac03c675727797f3c99
PDF
Publication page870e598a0a5107194a4044f6c8cb28efe883ea0edc7fbbbd392893e0789feb5e
Manifestf38600887c19262ae9d042c9378e650404d2ef9da4a536dc8e1cbc0d5fa9c7e3

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
SignatureLU5vhdUp0NH6IRsfyGUkhGFPplc1V89ZZAyhJt+HT1tViZQeDjhaMvlljEBP5s2gQgQVgc1csruIhARvcq76Cg==
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

2026-09-17T10:31:55.559069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067607
observed 870e598a0a5107194a4044f6c8cb28ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.541952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067607/manifest.json
observed f38600887c19262ae9d042c9378e6504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.525023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067607/publication.md
observed 5ec5395daedddea3ed597945ba669f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.507463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067607/publication.txt
observed fd2059ad26e66b16fe1f37f0120a9ff5...
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.