OpenTechnical

OT-2026-000016799

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-2026-000016799) never changes.

Identity and time

Publication numberOT-2026-000016799 · never reused
Internal UUID01a0ae6e-5919-7e24-809d-edc62f5ab8e8 · 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-2026-000016799
StatusPUBLIC

Content hashes

Canonical text7f71ee1b28fdd14d248d4beb9f8f39593525da13ac097fe50a4b44e27b5902c1
Markdowneb73d31b325a336a1c7d003db258c414b8685405f75370ad7f8b048eda5d3720
PDF
Publication page6ab437f6db247c7054ecc6e874fe5664f42ff76cf27016af648b6e22482eadd8
Manifeste46b31a25b757d7122f83fb2c57c9dfcf54979c5122552339a92e278b002b8a1

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
SignaturelSGz2M4Z4sGmBhOkpT379QVftXlcfT1bg9U17b2+xId82vKO78c/61MhC6FP3pf+e5+Jk8VWksjcYiBxN6sfBg==
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

2026-09-17T12:03:02.945037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016799
observed 6ab437f6db247c7054ecc6e874fe5664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.926653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016799/manifest.json
observed e46b31a25b757d7122f83fb2c57c9dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.909686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016799/publication.md
observed eb73d31b325a336a1c7d003db258c414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.891917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016799/publication.txt
observed 7f71ee1b28fdd14d248d4beb9f8f3959...
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.