OpenTechnical

OT-2026-000059624

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000059624) never changes.

Identity and time

Publication numberOT-2026-000059624 · never reused
Internal UUID01a0ae89-ec24-7dae-9804-665a560f2eea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059624
StatusPUBLIC

Content hashes

Canonical text5dce2f2d620331c7ffd1fc0e846a2529510b5b1bfdb22db9d1f206a4988f5867
Markdown15bc16db4b45db86eadb55b12a6d7d342bae7783e9e6a2030805d8dac2ee7f9a
PDF
Publication pagee5b92f26bebd84fb250663db1b27fd3df924cc400eb5ef46b59679c0a6b7f2ea
Manifest90005fb55414645b73680185b6c1413b24430bf7d4bb8e893e6525652d32b472

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
SignatureUP0kmD+lqBMZYK1VaIifXQlZ4CTX8pFf1opNIxC2kce9XUR42xCdvyJzCu9rV3TbQ38XVT5yDb5Eh/JEMJQ+CQ==
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

2026-09-17T10:44:17.163944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059624
observed e5b92f26bebd84fb250663db1b27fd3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:17.143008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059624/manifest.json
observed 90005fb55414645b73680185b6c1413b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:17.118895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059624/publication.md
observed 15bc16db4b45db86eadb55b12a6d7d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:17.059163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059624/publication.txt
observed 5dce2f2d620331c7ffd1fc0e846a2529...
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.