OpenTechnical

OT-2026-000054073

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000054073) never changes.

Identity and time

Publication numberOT-2026-000054073 · never reused
Internal UUID01a0ae85-b3a7-717e-8412-1d2c8c99674a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054073
StatusPUBLIC

Content hashes

Canonical text7889517d6ac5e4655b44cea495058c789575f0d0e2992402ee416e2706e5afd7
Markdown0adc41e6201765fbcb7a33a0e165dd7bdaa0d30bf886ac8335037e3e730c52a6
PDF
Publication pagea54663dc3aafcacf16060f0c716ffaaef1e538f77bd35712f319acf567e1fe76
Manifest94d52c1d545db5d265dc83cc66a445d107b947e64ebabc4516456dd518161dc6

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
SignatureENADWxaXo2r6FRogxCwMKZZ7O2YNkNystrfwl/qCMwho/YSw3u2lJkst+8kWN4nUonmGEhPZO0ZS6oxHtV7zBw==
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

2026-09-17T10:54:27.265843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054073
observed a54663dc3aafcacf16060f0c716ffaae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.247821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054073/manifest.json
observed 94d52c1d545db5d265dc83cc66a445d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.229076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054073/publication.md
observed 0adc41e6201765fbcb7a33a0e165dd7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.212378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054073/publication.txt
observed 7889517d6ac5e4655b44cea495058c78...
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.