OpenTechnical

OT-2026-000058644

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off after 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-2026-000058644) never changes.

Identity and time

Publication numberOT-2026-000058644 · never reused
Internal UUID01a0ae88-f39d-7782-98ea-18a76b06cfa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058644
StatusPUBLIC

Content hashes

Canonical textf7960855f40b375df012b75cea9087f0e7cc753d03dc480a0ef8dce807c3c08e
Markdownc0f113ed392ab2278093afc0f288c1e6c13e6e3aac3e0aa4a208e202b6310dcc
PDF
Publication page95d0f5abd0fa32dc1ef730c81c4600f0530d3943895aa37b9f31deb8418794c5
Manifest4ddaa29f1ce461a8cb95f7274afd0b77d3411765ff0c36a2dfc38b78b7f1ef61

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
Signature1B8HvhZ4kys1W5syZePKlBynklfI1npdoVmW2WR1wYPknYp0XSqVGmbMkrLvg9F+8LY0wDGxrBDcA7RTB/7IAg==
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

2026-09-17T10:47:09.375002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058644
observed 95d0f5abd0fa32dc1ef730c81c4600f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.356190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058644/manifest.json
observed 4ddaa29f1ce461a8cb95f7274afd0b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.336300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058644/publication.md
observed c0f113ed392ab2278093afc0f288c1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.316063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058644/publication.txt
observed f7960855f40b375df012b75cea9087f0...
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.