OpenTechnical

OT-2026-000073870

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000073870) never changes.

Identity and time

Publication numberOT-2026-000073870 · never reused
Internal UUID01a0ae93-2b8e-7259-802a-eb176dde208f · 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-2026-000073870
StatusPUBLIC

Content hashes

Canonical textc59e4c106fbb5e1da515772b0655b9f1eecead5fd3f3aae1b23ea7103a2f248f
Markdown38e8182ac5cdb8f4e841bff24e900390bef62ce31aad9792b8e20351c4f09479
PDF
Publication page0184aa5909e3dfe060bab6958579a86ade9ec0d8ca3f1e19356ab63539f01aa6
Manifestc2d3a360d187e72f5c56c509d58b3803846ff8352b0b13ca36a0e6ea482b922f

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
SignaturejJILE09yjciQLf//XyHLHcZyjQa0EPnWuoJfSP+tvmsn1G18C1ncZiwMrXJy+3+tf4uYlo0WM6bVbf+RPhmwAg==
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

2026-09-17T10:20:00.924471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073870
observed 0184aa5909e3dfe060bab6958579a86a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.904899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073870/manifest.json
observed c2d3a360d187e72f5c56c509d58b3803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.885532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073870/publication.md
observed 38e8182ac5cdb8f4e841bff24e900390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.866895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073870/publication.txt
observed c59e4c106fbb5e1da515772b0655b9f1...
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.