OpenTechnical

OT-2026-000044944

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000044944) never changes.

Identity and time

Publication numberOT-2026-000044944 · never reused
Internal UUID01a0ae7c-911c-7eb2-ad36-35265f8ca9e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044944
StatusPUBLIC

Content hashes

Canonical textf4465e8a624af750eed953eb3f2868b7ac9dd6e9c13e86362244ee9bbe7ba2da
Markdowne5294c730c765eec1a503d3d6b03d24ffc250474963b65240593750464544b38
PDF
Publication pageb68cf40551dd3e7fe5f40076186e8107c5e103438ee03e1542df8079241be276
Manifestf660d2c78df07d36b764bb90cdcb5ac133abdff4a0e561bf2f4ab67fd4965007

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
SignaturenEhdcIk1+H1ptNfN5FECOveZOgGydRL/1CwB1043IhWcmdDb0mtDt14mrkfi7RvNjlDgDNVMlF+aboyh1SJvCg==
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

2026-09-17T11:11:37.423542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044944
observed b68cf40551dd3e7fe5f40076186e8107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.405352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044944/manifest.json
observed f660d2c78df07d36b764bb90cdcb5ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.386119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044944/publication.md
observed e5294c730c765eec1a503d3d6b03d24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.368116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044944/publication.txt
observed f4465e8a624af750eed953eb3f2868b7...
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.