OpenTechnical

OT-2026-000011874

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000011874) never changes.

Identity and time

Publication numberOT-2026-000011874 · never reused
Internal UUID01a0ae6d-1942-7c56-ae30-ab5c8b795742 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011874
StatusPUBLIC

Content hashes

Canonical text8402ef5eaeab6ded9a97321ea57fdf04f03237fc0a0b37279bfb7f93264fd360
Markdownb77d9ba192dac0f6755d84efde858db3feaf9fc19f5dd22ec00fb300cdab7546
PDF
Publication pagea166b37e136b00484e794e1a38c1dd9ff51d0e59399351548f3f8d8ec5484488
Manifestec4b06b69123c4d8bad8d218ffde0a0fe447cb05c68099047b7ff46eb95d043a

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
SignaturePkPV4eRQXm16Io2QiF08M4xo8mVJKhoV/AJAtFPCY/DkPStMhbv0VvVJGhue7m4Lj0+Z7HY24MvsjqH0EJovBw==
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

2026-09-17T12:12:37.407480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011874
observed a166b37e136b00484e794e1a38c1dd9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.386905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011874/manifest.json
observed ec4b06b69123c4d8bad8d218ffde0a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.365823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011874/publication.md
observed b77d9ba192dac0f6755d84efde858db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.345964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011874/publication.txt
observed 8402ef5eaeab6ded9a97321ea57fdf04...
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.