OpenTechnical

OT-2026-000031004

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000031004) never changes.

Identity and time

Publication numberOT-2026-000031004 · never reused
Internal UUID01a0ae74-3fb7-7752-9988-aef14a1507e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031004
StatusPUBLIC

Content hashes

Canonical text11cc1f74d4d4ac15ad7d382a4b7bdf5b46846b8818e8d29ffd231ee836e8a356
Markdownf47de50e68ef35a11ad55b099c7c864d0163188da82a15f279cdbe638607418c
PDF
Publication page81829d73f7230b8f7428c97998b891398bf4bcd7fedcc07a73774225eea53c76
Manifest80be7bac8d5a10749f1493c7c06be0dd8ad319885dc8fd1a1b36097138428f07

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
SignaturebqRvOWJONah76flVoTPv9fiu5Z1RO3m516cnv+8Zhl2HePbsY0+ITkDjYSMMn5r9cAKKyxo2i8srCsGjKmeHBA==
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

2026-09-17T11:40:05.569779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031004
observed 81829d73f7230b8f7428c97998b89139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.549638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031004/manifest.json
observed 80be7bac8d5a10749f1493c7c06be0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.521735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031004/publication.md
observed f47de50e68ef35a11ad55b099c7c864d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.499170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031004/publication.txt
observed 11cc1f74d4d4ac15ad7d382a4b7bdf5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.680543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031004
observed 81829d73f7230b8f7428c97998b89139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.661962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031004/manifest.json
observed 80be7bac8d5a10749f1493c7c06be0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.643974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031004/publication.md
observed f47de50e68ef35a11ad55b099c7c864d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.626665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031004/publication.txt
observed 11cc1f74d4d4ac15ad7d382a4b7bdf5b...
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.