OpenTechnical

OT-2026-000089461

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089461) never changes.

Identity and time

Publication numberOT-2026-000089461 · never reused
Internal UUID01a0ae9b-db02-7c09-8893-ec19eac9684b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089461
StatusPUBLIC

Content hashes

Canonical text47fe50e3ca835e4bf589d5b8dbaebeb264c59fd400d949c103c502b543c6e36b
Markdown8256151489aa0a0d0987512589738c8d3df4b6724b406af38bf516a28e7f2845
PDF
Publication page2c483422e7d08425cf99fbb04c6d9891972a7d1a84db346cb049e025ab79e765
Manifest40a2b3c6752e1ded4c7a753f8d80af78a1b0787feb8534cdbe7c5c06d0ca5569

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
SignaturerZ5B3HqGdP5fLs749dgVBEog29FWeL0qkSHTIZZ+KRKVUJTHB9nSZmA4xN3mMubYiZgeyJjU1DfBu4i/DoB8AQ==
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

2026-09-17T09:47:36.617161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089461
observed 2c483422e7d08425cf99fbb04c6d9891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.599875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089461/manifest.json
observed 40a2b3c6752e1ded4c7a753f8d80af78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.582641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089461/publication.md
observed 8256151489aa0a0d0987512589738c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.566114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089461/publication.txt
observed 47fe50e3ca835e4bf589d5b8dbaebeb2...
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.