OpenTechnical

OT-2026-000054235

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000054235) never changes.

Identity and time

Publication numberOT-2026-000054235 · never reused
Internal UUID01a0ae85-b3a9-70ae-868f-e95849c4b26c · 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-2026-000054235
StatusPUBLIC

Content hashes

Canonical text08771c375a66b8e47b14dc641dfc275811ce9b6a6d1ffa2e0b0610d1e7b13cbc
Markdownc40c58f36b8a9d119837c21d5e8cdf6986fb2b0e244f6298556db5c21e7f1c3e
PDF
Publication pageea36cdb3b12e3d90a90034bd032188628ec3bf85986fd6481d76183e5d7aeb91
Manifest090c82c0c25f8e5273f1880c0895eaec945ee0f46da9f9f20e282788ed211c8d

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
SignatureBDkjZR3tx2y8+yPb21ViIFzxFh4ACToTri7M96sfAIMZFQ2Ydet5blG3v7dm1BQBrxSJ+jOvn7LgIbX5yIHQCw==
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

2026-09-17T10:56:26.816012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054235
observed ea36cdb3b12e3d90a90034bd03218862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.797593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054235/manifest.json
observed 090c82c0c25f8e5273f1880c0895eaec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.781280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054235/publication.md
observed c40c58f36b8a9d119837c21d5e8cdf69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.762749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054235/publication.txt
observed 08771c375a66b8e47b14dc641dfc2758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.350240ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054235
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.333964ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054235/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.318278ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054235/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.303093ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054235/publication.txt
observed ...
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.