OpenTechnical

OT-2026-000098837

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold 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-2026-000098837) never changes.

Identity and time

Publication numberOT-2026-000098837 · never reused
Internal UUID01a0aea2-8285-7e10-96a3-248ae24ddc5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098837
StatusPUBLIC

Content hashes

Canonical text30a094f5bea7d9cfe6575099832d2e876cee32233f7688fd91e87a4138313dc2
Markdown368634bd550028da689e9cf614dcfbcfd75dc09b730921a1d037af51017b1113
PDF
Publication page6f846b7d36b76034145941b344cf35b4ce2b888d74e00cc70ce561e7ae85c2bc
Manifest1031e4c0937cb4a042ba9b7d73746ec01d1ca281aa93cd54c9f66fc3eef6bfaf

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
SignatureEUgjcC5xTpobkDMqpsZjjX3SMfKA+rWOtQtCu+AvmEE7V2wYNYa04ReanLqUdihTXS58sKX1PQOJHh+ppNeyCg==
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

2026-09-17T09:29:52.701740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098837
observed 6f846b7d36b76034145941b344cf35b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.685157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098837/manifest.json
observed 1031e4c0937cb4a042ba9b7d73746ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.627307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098837/publication.md
observed 368634bd550028da689e9cf614dcfbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.526125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098837/publication.txt
observed 30a094f5bea7d9cfe6575099832d2e87...
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.