OpenTechnical

OT-2026-000052494

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000052494) never changes.

Identity and time

Publication numberOT-2026-000052494 · never reused
Internal UUID01a0ae84-573a-7d12-9f50-2aa1eb07754d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052494
StatusPUBLIC

Content hashes

Canonical text55013af08af2208c2a3c88fff3e436560e62c229ee35b008a9d45060fd4cb5e0
Markdownf632db8a9c3f924fa6d68ec51802b8a181e92fd0404f738497a143056aef068e
PDF
Publication page2bd07448733f322c965c23d59c8f74c6685fb1f2e91ad7ab55980c5dfd188284
Manifest008b87a700daa9c46050d4c4bfd0e6978879598a7e82b8fea5dd3320a1d72083

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
SignatureOE27G7usrIi9cCspyyt0AlloZq2epME06VnUUeqKs6nCZPqJTyNm4g4JyqeVFkUu7aZVg78BRT4rHeG3Zn8TDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:07.802596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052494
observed 2bd07448733f322c965c23d59c8f74c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.784756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052494/manifest.json
observed 008b87a700daa9c46050d4c4bfd0e697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.766184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052494/publication.md
observed f632db8a9c3f924fa6d68ec51802b8a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.748397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052494/publication.txt
observed 55013af08af2208c2a3c88fff3e43656...
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.