OpenTechnical

OT-2026-000018551

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018551) never changes.

Identity and time

Publication numberOT-2026-000018551 · never reused
Internal UUID01a0ae6e-b48a-7add-bf6b-2b980bb1a415 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018551
StatusPUBLIC

Content hashes

Canonical text0d16c05d1deed1a40812ff5d1157fea19c58f2c332c21224df1db044ae28849a
Markdownea54879aaff147d95706b717f2638df0456cad29964f8dda2fa15766f60879e1
PDF
Publication pageb8434e5b68f8458a44e1c3fa67e55901c0c815885a61b3187359f6b81b369abc
Manifest8841851c61fb15b08f3dec04a4f9bfac92cfadbd1c30030b64c06ef7a598423c

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
Signaturet3hZJAyUBc096Vt+NWMNNABuNlpVv/VhsBptv+yqME/R7SjgXDdQkVGz9mtFmc43GdK9syW8Kb8abHvlj13UCQ==
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

2026-09-17T12:01:18.024013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018551
observed b8434e5b68f8458a44e1c3fa67e55901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.005190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018551/manifest.json
observed 8841851c61fb15b08f3dec04a4f9bfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.989022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018551/publication.md
observed ea54879aaff147d95706b717f2638df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.972002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018551/publication.txt
observed 0d16c05d1deed1a40812ff5d1157fea1...
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.