OpenTechnical

OT-2026-000085016

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000085016) never changes.

Identity and time

Publication numberOT-2026-000085016 · never reused
Internal UUID01a0ae99-43b7-7668-98a3-de8f0f574245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085016
StatusPUBLIC

Content hashes

Canonical textd11b314f7d0bfc1779e729f8b12e4ada407847b8135d194f03d8b880e5120958
Markdown103ff09bc8ac30b839dca503d5a195deae55a5fde5b6f006168bc0ca4a04b64a
PDF
Publication pagea5f98ee7d74aa3220376d089ff08be1d67a0c9c997036d8ce251cdda52a354e7
Manifest8d2ca51387bada0487a1c36ca74788e7d2aaaadf817b66bfc86045de7437fd89

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
SignaturebsHDz+J+sfWd3V1Zq1fNkDXN6dlHbBEOjnMtukGOKVyyy6gBwm0CbzdZRBzYMghpetJv6AX0O81h6mkjgpTgDg==
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

2026-09-17T09:55:01.513522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085016
observed a5f98ee7d74aa3220376d089ff08be1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.496424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085016/manifest.json
observed 8d2ca51387bada0487a1c36ca74788e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.480723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085016/publication.md
observed 103ff09bc8ac30b839dca503d5a195de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.464607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085016/publication.txt
observed d11b314f7d0bfc1779e729f8b12e4ada...
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.