OpenTechnical

OT-2026-000057236

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057236) never changes.

Identity and time

Publication numberOT-2026-000057236 · never reused
Internal UUID01a0ae87-d5bb-7bfd-b9ed-23057b4112a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057236
StatusPUBLIC

Content hashes

Canonical text917edf82efcba226e44dc0b94866f9fda47d5ed75c36823abaab939bcf35f69a
Markdown61fdabb9ffa94bd93c536d5b73b8ff637e358619d2e473e647d1ddb087ce424c
PDF
Publication page4f0b9ff8cabc2122e059ab9bc9003eb61b2276bab9993a2ca39d4b010fdc186a
Manifest2a671bec6979a07f3ba5ec1df7ab3c427df053b45b62b13e204b587ff9240cbf

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
Signature8qQNU10gmvLZlN/BFuqcxIEdStpOj9CSE6dgogq1pj6EWsRPWv2KqtWHivsAmTo/ubhejTY+bobPeRf+TkWuAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:17.848811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057236
observed 4f0b9ff8cabc2122e059ab9bc9003eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.830449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057236/manifest.json
observed 2a671bec6979a07f3ba5ec1df7ab3c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.810961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057236/publication.md
observed 61fdabb9ffa94bd93c536d5b73b8ff63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.793194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057236/publication.txt
observed 917edf82efcba226e44dc0b94866f9fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.453698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057236
observed 4f0b9ff8cabc2122e059ab9bc9003eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.436216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057236/manifest.json
observed 2a671bec6979a07f3ba5ec1df7ab3c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.417336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057236/publication.md
observed 61fdabb9ffa94bd93c536d5b73b8ff63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.399316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057236/publication.txt
observed 917edf82efcba226e44dc0b94866f9fd...
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.