OpenTechnical

OT-2026-000102310

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed 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-2026-000102310) never changes.

Identity and time

Publication numberOT-2026-000102310 · never reused
Internal UUID01a0aea4-50f3-73e4-9af6-0a8217528db8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102310
StatusPUBLIC

Content hashes

Canonical text2dc156fd2f2d74f597d2ba7f37b7d5022579de03089dbee6441e5f4d4728cc17
Markdown00aefda0648e27b6c2ea279bafb7e82074dc72df854a443a58f06091552df7ac
PDF
Publication page860e3a52803f300d020aa161e0146e9c3cc88193c816b90a1a4d8f8d56c436cf
Manifest87b1849803f8723fd34244cfd7a17b64472d9cbdb11413ad993c42a57b58ab2d

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
SignatureuCMjTesBGnXzn8+lrBR+BRj0ed2mhTJf0jLADOGkYFiWNedoter/RG7co3ipvLKkx6siyMKgHYDQv6D9JVLXBQ==
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

2026-09-17T09:25:30.342811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102310
observed 860e3a52803f300d020aa161e0146e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.324167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102310/manifest.json
observed 87b1849803f8723fd34244cfd7a17b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.304765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102310/publication.md
observed 00aefda0648e27b6c2ea279bafb7e820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.284684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102310/publication.txt
observed 2dc156fd2f2d74f597d2ba7f37b7d502...
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.