OpenTechnical

OT-2026-000087344

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000087344) never changes.

Identity and time

Publication numberOT-2026-000087344 · never reused
Internal UUID01a0ae9a-cd4f-7f98-bb78-91766873228d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087344
StatusPUBLIC

Content hashes

Canonical text83c523667a382bc953f1471b3e473cfb6c8b6e95e5ff8766e8303ea1d03ec28c
Markdowne052eb34d2a6e0637969abb7fea6fa20477ad2f768361658615f4cc15c96f1e0
PDF
Publication page8e641cffb5ff5f5882dc618635cbb071f56e4990714ae5ab8b6269a5d18810dc
Manifest211431bb30c1c916fde46d04ae21e29a3bf7cf794d2674a1a204b357080470c4

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
Signature6Q5z8smK07/tTPA6mXDn3PikysKBjoPwGOt7zUGkg3MVncbo4fNmhol4fMNrAl0eENqtBaiv+elL1GWGSXGQDw==
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

2026-09-17T09:50:30.983570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087344
observed 8e641cffb5ff5f5882dc618635cbb071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.982992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087344
observed 8e641cffb5ff5f5882dc618635cbb071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.965474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087344/manifest.json
observed 211431bb30c1c916fde46d04ae21e29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.964050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087344/manifest.json
observed 211431bb30c1c916fde46d04ae21e29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.946417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087344/publication.md
observed e052eb34d2a6e0637969abb7fea6fa20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.946222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087344/publication.md
observed e052eb34d2a6e0637969abb7fea6fa20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.929350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087344/publication.txt
observed 83c523667a382bc953f1471b3e473cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.928879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087344/publication.txt
observed 83c523667a382bc953f1471b3e473cfb...
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.