OpenTechnical

OT-2026-000033312

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000033312) never changes.

Identity and time

Publication numberOT-2026-000033312 · never reused
Internal UUID01a0ae75-8980-72b6-8925-36b88ba7b64c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033312
StatusPUBLIC

Content hashes

Canonical textbdb4bd3920b73059882efed2356b73faad03ff7a0990838991717f52838e9b80
Markdownca66f5395a744226eb8821b7c0d00412776c06d40c39c00c56935064ed52f532
PDF
Publication pageba17c21bfe49bd19e6a6972774f202dcd7875e4cda848dbf1471851430dce25a
Manifest74da59dcc0ade6d5994f6a8b703ef4a7904270fb66026b6790d6ec501f64465e

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
Signatureu5Ha16YkAAX1Vn11jtAu6+GojZpx20sxcXZovq1P294eVKA9m94V8CEUiBJKP6Gmn8BFHbDDp2gIRY/G0eqvDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:03.654423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033312
observed ba17c21bfe49bd19e6a6972774f202dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.636163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033312/manifest.json
observed 74da59dcc0ade6d5994f6a8b703ef4a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.612744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033312/publication.md
observed ca66f5395a744226eb8821b7c0d00412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.592942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033312/publication.txt
observed bdb4bd3920b73059882efed2356b73fa...
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.