OpenTechnical

OT-2026-000052775

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000052775) never changes.

Identity and time

Publication numberOT-2026-000052775 · never reused
Internal UUID01a0ae84-a42d-7f76-bc8e-e01390973d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052775
StatusPUBLIC

Content hashes

Canonical textdca98c3e90934dab6ff121bbdea1b200d4f89efa1af0f5d68f9345b0b6db9627
Markdown6b3226fb66e97423941c266d6377103e6ff41516628a056be38c446a1f6dfe3b
PDF
Publication pagee8aacb8279ff19810f94afd8985f3245f926f14bf2ee224b7589dc37970d87a2
Manifestc34feedc32b96043b533ae4aa6e3950433865247ffb191e42cc95037348f421c

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
SignatureVZ06zvKnzvm1XVYzDOuaL0DKqAKAQyXY4l8IY0a/vTuOxNCZ5ovuvuJqO3xE2dsf2oVf40X5LoPb+JQO1aPBBQ==
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

2026-09-17T10:55:47.057866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052775
observed e8aacb8279ff19810f94afd8985f3245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.039785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052775/manifest.json
observed c34feedc32b96043b533ae4aa6e39504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.019164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052775/publication.md
observed 6b3226fb66e97423941c266d6377103e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.999424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052775/publication.txt
observed dca98c3e90934dab6ff121bbdea1b200...
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.