OpenTechnical

OT-2026-000005259

Publication integrity record

Vacuum cup gripper, pump fed, pulsed blow off before set down, silicone cups, flat form

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-2026-000005259) never changes.

Identity and time

Publication numberOT-2026-000005259 · never reused
Internal UUID01a0a933-1280-7df5-bf7a-5c53f28af40d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:31.714970Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005259
StatusPUBLIC

Content hashes

Canonical textda5d2a3e4124c903238e8db6c564aaf8549613a9132a72acf9adcc0d6e001b19
Markdown08a0620c3024b69192da43b26c300a5de64e077e65c732a76de50ee3952c16e3
PDF
Publication pageaf565efffcd473f1c6480cc1368b1f84db63f5365e138aa7c033444d8cb60fe3
Manifestad205b2f4fa06a354fcd01decc99d226d559b09f43e739e8efed7f6b46b6b0d7

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
SignatureRanZXocC3JUeE9KUwsdbydHGsmNHh6XE5AeQb5aworzM/5meQZHe1WwLIQaBNYaxEILEoi5x7G3WZ5bAg9UiCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:29.685092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005259
observed af565efffcd473f1c6480cc1368b1f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.672816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005259/manifest.json
observed ad205b2f4fa06a354fcd01decc99d226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.660012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005259/publication.md
observed 08a0620c3024b69192da43b26c300a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.646047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005259/publication.txt
observed da5d2a3e4124c903238e8db6c564aaf8...
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.