OpenTechnical

OT-2026-000061440

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061440) never changes.

Identity and time

Publication numberOT-2026-000061440 · never reused
Internal UUID01a0ae8b-7b42-7c02-b2b3-afc558595b15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061440
StatusPUBLIC

Content hashes

Canonical texta4f944921f64d51253c9fd05030660bad3f5b7c09216fee05fb7317f030b0996
Markdownc97d70c9716efa1a1a040d0d6c33d5c6881550ec2cd869323737913a4991e987
PDF
Publication pageba303b89b87ed0ccaf316b74d7ae296c755bce81662db45aec4974a06dfc608d
Manifestf89f45888c2c04502e1645947d9b29352cad928d3e7141794a912bb414dd5e00

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
SignaturennYtGRzkW8vajr8WakBaTKlSYtTPm7ASWoRz3Ncg103sO1PHKcD5wgdm10jMry7yPrdl+AGyljwP6DK8ToXBCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:19.103099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061440
observed ba303b89b87ed0ccaf316b74d7ae296c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.085027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061440/manifest.json
observed f89f45888c2c04502e1645947d9b2935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.064860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061440/publication.md
observed c97d70c9716efa1a1a040d0d6c33d5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.045559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061440/publication.txt
observed a4f944921f64d51253c9fd05030660ba...
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.