OpenTechnical

OT-2026-000012688

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000012688) never changes.

Identity and time

Publication numberOT-2026-000012688 · never reused
Internal UUID01a0ae6d-5562-7ea1-b829-7213e3e26339 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012688
StatusPUBLIC

Content hashes

Canonical text1ef03562eb2fa52094b16eed28c504715231ffdaef63b8055d35762f6534ca2a
Markdownc68cfa668c66d6564edfd94c38eabd7c39106b4ec3731be00d90ad7f5e61f2e7
PDF
Publication page5766edddfb15d4210902a7bd1e45bfc1cfaff1a61f9e126a3b1b6fb1093035b0
Manifest3e59506dd45e6412859a5b7a665b8344d9e49bd1aaedccba831667a73bcc459c

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
SignatureB8sbDIqXPO5wk3nXfMDqwrq6eTzesO3mM5ZiSv15lDZF+Ygt8u4vjF42wVA2xz57TzMNlGuC+7aEDGmyWA9DAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:10:20.310045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012688
observed 5766edddfb15d4210902a7bd1e45bfc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.289823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012688/manifest.json
observed 3e59506dd45e6412859a5b7a665b8344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.270731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012688/publication.md
observed c68cfa668c66d6564edfd94c38eabd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.252315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012688/publication.txt
observed 1ef03562eb2fa52094b16eed28c50471...
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.