OpenTechnical

OT-2026-000098619

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000098619) never changes.

Identity and time

Publication numberOT-2026-000098619 · never reused
Internal UUID01a0aea2-42ad-7dfd-b231-e0b57a8acad1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098619
StatusPUBLIC

Content hashes

Canonical text76e349f6f0691bd77ffd7db3ebef7c2cc826cd62f23077b1c97727adec9c9409
Markdown97932b62a00cb341ad738cfc05c32069e96feb7fd142bec291c1117d873e3192
PDF
Publication pagebb29346e197d2d6350747bcd9d3ecad1addb6b36418d79377763a5cb13b5c699
Manifest9dfb6a3c4ea20d1a4ec2683281546f0cb6985c24e0f5aa0879922d203f248353

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
SignatureZCpYR4txkW2ni6Tz0iALIedUlBxYh78W10+xORHm/VHohP+N5U+rsi/bxN0L+CP0UFpFvq9EZwhgYq7iXEmKBQ==
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

2026-09-17T09:30:54.393106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098619
observed bb29346e197d2d6350747bcd9d3ecad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:54.375794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098619/manifest.json
observed 9dfb6a3c4ea20d1a4ec2683281546f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:54.358491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098619/publication.md
observed 97932b62a00cb341ad738cfc05c32069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:54.341009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098619/publication.txt
observed 76e349f6f0691bd77ffd7db3ebef7c2c...
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.