OpenTechnical

OT-2026-000101994

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101994) never changes.

Identity and time

Publication numberOT-2026-000101994 · never reused
Internal UUID01a0aea4-50f1-7107-8ed2-2c9ce7d7f6a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101994
StatusPUBLIC

Content hashes

Canonical text9d7bafaee3154e4e4bffadef04fa1587c9b632d662ce8f101efe514ec0767701
Markdown41b77d59815913d90173c4ac4a0e997b1c616a3c2110dce41453e879b6a93947
PDF
Publication page3590c9ecee5e188d00221f2760d905a3649ffe0d402fc06a966e1c7ea904d97c
Manifestb8e394e8b75b57f7f669f0ad2461c3b6a9d16dba19f49f8333f6d46b6d48a367

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
SignaturetEOdRQl5PejOtjJmpexpKyD7NUUilJcBwxM0bHnXN8Do1zslPy20HMPYqeTKcRLFJbKsMt0QhqUlGacTbCLnDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:07.131395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101994
observed 3590c9ecee5e188d00221f2760d905a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.111418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101994/manifest.json
observed b8e394e8b75b57f7f669f0ad2461c3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.093045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101994/publication.md
observed 41b77d59815913d90173c4ac4a0e997b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.074660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101994/publication.txt
observed 9d7bafaee3154e4e4bffadef04fa1587...
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.