OpenTechnical

OT-2026-000060375

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000060375) never changes.

Identity and time

Publication numberOT-2026-000060375 · never reused
Internal UUID01a0ae8a-b7ca-773d-90d6-9423475950c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060375
StatusPUBLIC

Content hashes

Canonical text28404b962c5722897e0f7cdabe7d90cbd721c27a838bd8007ea9cc9310a65276
Markdownf8115f8cc35aab54b42a5f01556c9e8e677cba289c48f5cdfa8d8319ab5b25d3
PDF
Publication page4ba3da600de4f67c5a910853326f2c094aae41d44ae494fe0c01998cc426e698
Manifest1c0cae98bd083d0017770318cdd351769136c6183742cbb64e7cd8088be40a2a

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
Signature9EEro74TgTFAiqdJfkbaPwwsFaEMVI/ZwyrvJ1LfnKmV596GrEbz1bAEMSoJSfawSADMOwpQDGFYzFGvxoyMCw==
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...

Independent retrieval

2026-09-17T10:42:50.342279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060375
observed 4ba3da600de4f67c5a910853326f2c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:50.326385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060375/manifest.json
observed 1c0cae98bd083d0017770318cdd35176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:50.310409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060375/publication.md
observed f8115f8cc35aab54b42a5f01556c9e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:50.293625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060375/publication.txt
observed 28404b962c5722897e0f7cdabe7d90cb...
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.