OpenTechnical

OT-2026-000073912

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000073912) never changes.

Identity and time

Publication numberOT-2026-000073912 · never reused
Internal UUID01a0ae93-2b8e-794d-b700-3376c6dd7e12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073912
StatusPUBLIC

Content hashes

Canonical text4d4e8abb0c6bfe2fbab2b1efc49572dd32025f32252ac340ab1b9aa97a2ff281
Markdown5aadb6a6cd49780ef6627df60a0b71b9c2b3236a8c69ce05f7c1ed1e9d5dce29
PDF
Publication pageb068883813440827e1734872aae9ee25abb56ed4dbdd7164d8c8495cf5598bbe
Manifest8a083de1ce2f1873763941476c9a5cc3b5350f07ac456a659daf66fd1fbdb4b5

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
SignatureTGMVoFDvOrjxQ3gml9x6KcYiltTQeGqXWZbR0J1NSMbYvAKYZsrmqkD8+9iJuYbRKvxz358d568Sa7HGenF6Cg==
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

2026-09-17T10:20:04.391332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073912
observed b068883813440827e1734872aae9ee25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.372286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073912/manifest.json
observed 8a083de1ce2f1873763941476c9a5cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.353618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073912/publication.md
observed 5aadb6a6cd49780ef6627df60a0b71b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.334114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073912/publication.txt
observed 4d4e8abb0c6bfe2fbab2b1efc49572dd...
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.