OpenTechnical

OT-2026-000067499

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000067499) never changes.

Identity and time

Publication numberOT-2026-000067499 · never reused
Internal UUID01a0ae8f-6bd9-792b-abf5-98d2d719dd68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067499
StatusPUBLIC

Content hashes

Canonical textd1050cd112b4d023fe092b30bb54a9ac92ab1d54115ab4f30164f6e4cbd9a355
Markdown42c998debab1b1a378e1d957b20c4ade20a6d0a54797112f220d20fd4d29b858
PDF
Publication pagefd38d5bf64f3b2ec90c0690b57b48891f1f86461c03e3acfc964a5624965ce30
Manifest83f3dc5bf26db8e8e4cefeed27cb52b40fbf405e9e97419c563ae529cd4864de

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
SignatureXKk8pmGFA4gMgrU1kvHTfJlSf/YkSJgeNFe/dOWCyq8HHy94yse5rGzcAHOrHEpVNSnNo7nh2R70YIRCfFdPAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:47.655219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067499
observed fd38d5bf64f3b2ec90c0690b57b48891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.637801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067499/manifest.json
observed 83f3dc5bf26db8e8e4cefeed27cb52b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.618783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067499/publication.md
observed 42c998debab1b1a378e1d957b20c4ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.599430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067499/publication.txt
observed d1050cd112b4d023fe092b30bb54a9ac...
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.