OpenTechnical

OT-2026-000098589

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000098589) never changes.

Identity and time

Publication numberOT-2026-000098589 · never reused
Internal UUID01a0aea2-42ac-7fed-ad1f-69acceb55ac8 · 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-2026-000098589
StatusPUBLIC

Content hashes

Canonical texte1bac27e1fd2a3e5b20b1c4a62e436df1be21c6bcf818b15512888cba1908cb8
Markdowndf3286c80eef3791ab22afbf2db1c6673cf009c04510eb4ddc8188ca0dfeff0e
PDF
Publication page839049d2a90ece16d926c43c9f19790b773b8a1932ffd380212a8774f065f735
Manifest1b3ffb850a60f14c31df213223e315dc2738947e27c70ccf0e2e1b84482ee155

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
Signaturefh6BeHUzXrCSNaKcRIdqqatyJAwJZvhM7EHPzELQlNRdZOapmRanBVe+RQ+7CH+UlriAnPChg1JTvoqhujk6CA==
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

2026-09-17T09:30:51.413043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098589
observed 839049d2a90ece16d926c43c9f19790b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:51.390351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098589/manifest.json
observed 1b3ffb850a60f14c31df213223e315dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:51.374571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098589/publication.md
observed df3286c80eef3791ab22afbf2db1c667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:51.358475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098589/publication.txt
observed e1bac27e1fd2a3e5b20b1c4a62e436df...
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.