OpenTechnical

OT-2026-000068921

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000068921) never changes.

Identity and time

Publication numberOT-2026-000068921 · never reused
Internal UUID01a0ae90-6dcc-73d3-8ac6-51589670a241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068921
StatusPUBLIC

Content hashes

Canonical text83e8e88d40ec10b5bc0e4bae537977e351b1c24acfbda15006fa2a0aa423f4ac
Markdown44d7f28cae03aa22470c2415318b5c17d73d338a106419c644a8e8eb21c4b345
PDF
Publication page59f5afd71ade2e8c4afb1cdf8c077dffad677edb935f5ba729d321f5feb4bb17
Manifeste2536b2c936b58815797627814c65ed479f3663b112496bc9ae2ab6bc93d36a7

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
SignatureC09f97zLWIb0NqHGjRPxHvBMp66GqaU2uO2aSrls09yTdjvrmTGHPmKjeXAcxqEsXaXPvdvuN2ZcMHtL+f0MBg==
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

2026-09-17T12:42:50.805336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068921
observed 59f5afd71ade2e8c4afb1cdf8c077dff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:50.521578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068921/manifest.json
observed e2536b2c936b58815797627814c65ed4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:50.376009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068921/publication.md
observed 44d7f28cae03aa22470c2415318b5c17...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:50.094424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068921/publication.txt
observed 83e8e88d40ec10b5bc0e4bae537977e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.892724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068921
observed 59f5afd71ade2e8c4afb1cdf8c077dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.874498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068921/manifest.json
observed e2536b2c936b58815797627814c65ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.857441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068921/publication.md
observed 44d7f28cae03aa22470c2415318b5c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.838360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068921/publication.txt
observed 83e8e88d40ec10b5bc0e4bae537977e3...
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.