OpenTechnical

OT-2026-000057671

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line 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-2026-000057671) never changes.

Identity and time

Publication numberOT-2026-000057671 · never reused
Internal UUID01a0ae88-2694-7cfe-999e-5f82a8e87794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057671
StatusPUBLIC

Content hashes

Canonical text58883b2e7601ef6f8a40ae74d8b30ce0ebccc3e4b8be38b4563ca21795b33b0a
Markdown2aec5010569bbef1ab8a58b3219061dda2c01b2921aeee63b33270bcd6f27388
PDF
Publication page2a6f7722928a3c3c1d2b01579fdca84f9aa1d8a396c2d71ba028dbb9e08d7e08
Manifestf0374b142e9d691d2571456fa0a39121380a52e3c6a6c0734cf4dd374e6b4951

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
SignatureLC9AYtvDVjut3stNvki9sh7xaIEFQ4yXjW2g1DWlgf66gh2SCxTAF/6Ixp8S6t6/uWQUEYrXwTK3HwFYKnwHCQ==
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

2026-09-17T10:48:19.549018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057671
observed 2a6f7722928a3c3c1d2b01579fdca84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.527736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057671/manifest.json
observed f0374b142e9d691d2571456fa0a39121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.501650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057671/publication.md
observed 2aec5010569bbef1ab8a58b3219061dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.403377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057671/publication.txt
observed 58883b2e7601ef6f8a40ae74d8b30ce0...
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.