OpenTechnical

OT-2026-000088781

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000088781) never changes.

Identity and time

Publication numberOT-2026-000088781 · never reused
Internal UUID01a0ae9b-8f10-7e0d-9ca9-d1ea9aaebc60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088781
StatusPUBLIC

Content hashes

Canonical textab407be4467f058d631144d9c06d4d7cfac9180ee3efbb035d2283f1019716ce
Markdown904389fd6e5cfc38cc5bf083a9524b0dd3b57d1f23985e77f253488f7b4e0017
PDF
Publication page17fac27400088896f73dddaf33acf2a3aa921153cc3ee85df2b5095686ba95ec
Manifest3b0b932940835dd6071c42c2b6545a8b427e996741bca03e854973f27b4a1610

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
SignatureI5deuTB8IT7BQE1mOIIjgt5Go26qDo7O0s5rtGxMCG1v+HKiWawD53Qhk5FhGTt220O/io1dpmUIjqrqCOPZBg==
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

2026-09-17T09:48:09.448603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088781
observed 17fac27400088896f73dddaf33acf2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.429565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088781/manifest.json
observed 3b0b932940835dd6071c42c2b6545a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.411429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088781/publication.md
observed 904389fd6e5cfc38cc5bf083a9524b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.393927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088781/publication.txt
observed ab407be4467f058d631144d9c06d4d7c...
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.