OpenTechnical

OT-2026-000086709

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, sustained 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-2026-000086709) never changes.

Identity and time

Publication numberOT-2026-000086709 · never reused
Internal UUID01a0ae9a-2c99-7658-994d-573b3ac6411d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086709
StatusPUBLIC

Content hashes

Canonical textb4b9bd9febe0084cc8bf142c4eef94de8334ee4f2151a828bb44665e1b48cf90
Markdown45a6198edddff11e01e6f22c07422e3eb913bb2f8656f5ca6e16648572b841f3
PDF
Publication page21569b655b3aa460ec3427df0d102b4c786e674f3675a3ed909ead89b3cc7829
Manifest95fbda4a327cae3bc48555a3499223be67b961d8281f4338f0726b49bceb71b2

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
SignaturebtioI575XqLUV8wwYNv6ZJjpMJB+chYSIdVu1fYXGWAK6jRmIBK5ZEkreehKkwvnI941uBSl3CFsWY9/ENtlCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:35.028843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086709
observed 21569b655b3aa460ec3427df0d102b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.009025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086709/manifest.json
observed 95fbda4a327cae3bc48555a3499223be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:34.990845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086709/publication.md
observed 45a6198edddff11e01e6f22c07422e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:34.972440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086709/publication.txt
observed b4b9bd9febe0084cc8bf142c4eef94de...
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.