OpenTechnical

OT-2026-000079158

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000079158) never changes.

Identity and time

Publication numberOT-2026-000079158 · never reused
Internal UUID01a0ae95-ccbf-7c22-833e-612239884299 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079158
StatusPUBLIC

Content hashes

Canonical text278ac64e0f37a65b91256b8026753869909445158beb5640007cac6d3c1b0ff8
Markdown67873f56726fdae59c49bdeba2c64339966d0e0a1ac84fcfa664e20ca7ae6b44
PDF
Publication page24d308ae7f6d6cad77b021fe96fec92afdab7de46a2443eea3198b591d0d88cb
Manifest12f595efcdf101a06b095cbaaa4244eb2e9d6df2fcbe10ec23a2caf4c901f51a

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
SignatureCD4QAGBs3vaDmUm/vHzjGf2EBsuzWK4tYmRHNqRJ3DK7eeI7mmFqSMuWoXSbeoJMKleQz+Wn+wfK17mYHpiTCw==
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

2026-09-17T10:05:25.857848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079158
observed 24d308ae7f6d6cad77b021fe96fec92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.839851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079158/manifest.json
observed 12f595efcdf101a06b095cbaaa4244eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.819432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079158/publication.md
observed 67873f56726fdae59c49bdeba2c64339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.800840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079158/publication.txt
observed 278ac64e0f37a65b91256b8026753869...
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.