OpenTechnical

OT-2026-000088067

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two 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-2026-000088067) never changes.

Identity and time

Publication numberOT-2026-000088067 · never reused
Internal UUID01a0ae9b-1aa7-7a45-816e-84c6c67aedaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088067
StatusPUBLIC

Content hashes

Canonical text9c1390e14f35ca8df998342a012ccea0ecb5f7cc9410f981f25438982cae0dee
Markdown2314344d2041640f750d280b9f4288908e01415d4bb4faeee76331c126f1f66c
PDF
Publication pageced871729a245d12fc559e4ad414eafd55f795059e1b3cabc77d948c2710e247
Manifest41e6edaf7d6bab15901da053ab7b735b332e32b7790f9bc9ab99e8cf2ff6a815

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
SignatureE79Nw9Sruzm0YzQM5qUOJ9Po+d6JmI8gEVoacGgRgJIlKvKB+qdrPm3Ds0cQ0T+Qoyt5cA4+/+XWGx20MXKCCw==
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

2026-09-17T09:50:03.861605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088067
observed ced871729a245d12fc559e4ad414eafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.840953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088067/manifest.json
observed 41e6edaf7d6bab15901da053ab7b735b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.820760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088067/publication.md
observed 2314344d2041640f750d280b9f428890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.800235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088067/publication.txt
observed 9c1390e14f35ca8df998342a012ccea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.037628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088067
observed ced871729a245d12fc559e4ad414eafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.018762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088067/manifest.json
observed 41e6edaf7d6bab15901da053ab7b735b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.000909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088067/publication.md
observed 2314344d2041640f750d280b9f428890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:02.984661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088067/publication.txt
observed 9c1390e14f35ca8df998342a012ccea0...
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.