OpenTechnical

OT-2026-000016803

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000016803) never changes.

Identity and time

Publication numberOT-2026-000016803 · never reused
Internal UUID01a0ae6e-5919-744d-9fdb-8df1738ab331 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016803
StatusPUBLIC

Content hashes

Canonical text9a47f0b89acbc2e8992cf6d52b7af9e845600e52f96a9ccb97c7c1b6fe7890cf
Markdown485725ccdaf78892912b72606b11eca56d6f904ec8c14e6cd0d708eb30e446b3
PDF
Publication page535bb93bb32631dc0f5a9332ee000a3169b505c0aab566d156e3adc815531fa7
Manifestd9ce14cc8ed4207d3370a320f8b5408de786a84357878cef218d71139752225e

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
SignatureirxS5bHoHKmCaR0C2hGz3PUhefdOyZYbuoK7zLXz3WC/7YzpFNrROUGemPh3F2RF+UNCgNeF+YYcDlt6moKnAA==
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

2026-09-17T12:03:03.231475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016803
observed 535bb93bb32631dc0f5a9332ee000a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.215724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016803/manifest.json
observed d9ce14cc8ed4207d3370a320f8b5408d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.197911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016803/publication.md
observed 485725ccdaf78892912b72606b11eca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.180027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016803/publication.txt
observed 9a47f0b89acbc2e8992cf6d52b7af9e8...
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.