OpenTechnical

OT-2026-000102607

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed 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-2026-000102607) never changes.

Identity and time

Publication numberOT-2026-000102607 · never reused
Internal UUID01a0aea4-858b-7b0b-8bcd-904c85f06865 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102607
StatusPUBLIC

Content hashes

Canonical text3cbeb9be5c1bf6c158f1837b3ec916c8b1c85e52ab7b6e23da2c8ded7f790b66
Markdown1e54c1564a73431e5428a0f2fdd603c892762d74adc04278dd77ec2603d5e979
PDF
Publication page9c53d459d1f2b4fa6770c4ec2e3ea230c2bab0aef68db1a6883b4e726c3222d2
Manifesta259a2064c5c51296494e0cec1f16e608390608e305ab557ab9089fac100a5f0

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
SignatureJWGsz90pQtPIZcf5oWiEJKWlm07QByLtT7NKB1Rni6A8IgTVgOY1WEpxfADGoHjeZyunMzP7Es5LW3q/QirkDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:05.725960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102607
observed 9c53d459d1f2b4fa6770c4ec2e3ea230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.706881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102607/manifest.json
observed a259a2064c5c51296494e0cec1f16e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.689027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102607/publication.md
observed 1e54c1564a73431e5428a0f2fdd603c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.671747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102607/publication.txt
observed 3cbeb9be5c1bf6c158f1837b3ec916c8...
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.