OpenTechnical

OT-2026-000042211

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000042211) never changes.

Identity and time

Publication numberOT-2026-000042211 · never reused
Internal UUID01a0ae7a-5d72-7a23-aa27-366bba325b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042211
StatusPUBLIC

Content hashes

Canonical textc71187a5ad08ca6fd5f8beb060fb75835a78423400f3c4ed7de6ba7c2c1a6141
Markdown593f46345c7122bce653ab35f29e97260bd8c9234909c4bdd8c7f30de848ec2a
PDF
Publication pagee118709f292e56595dcb28a3465cea987d9207907f196e5f83175b402ed0523b
Manifest1a753aa3a5bf7eb2ad9631d250a9f54daabcb027268fbe59ecbe6a52ee8ea876

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
SignatureJzR0vr4IONnjIAXPp8Ujqbm4i1fkQebUIOhyAkgsh2vnD7xUDwBIqsKUFtNpdd+SWIi/u/2Lve3tEgjqOsQ/Dg==
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

2026-09-17T11:15:52.871881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042211
observed e118709f292e56595dcb28a3465cea98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.853600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042211/manifest.json
observed 1a753aa3a5bf7eb2ad9631d250a9f54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.835388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042211/publication.md
observed 593f46345c7122bce653ab35f29e9726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.817197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042211/publication.txt
observed c71187a5ad08ca6fd5f8beb060fb7583...
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.