OpenTechnical

OT-2026-000095921

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000095921) never changes.

Identity and time

Publication numberOT-2026-000095921 · never reused
Internal UUID01a0ae9f-fac8-7444-9e82-bcab3a6cd7e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095921
StatusPUBLIC

Content hashes

Canonical textc9d0e857c89bdd34dd8f52acf42f3d6d32d654ad45551488cabedc84e33a6da8
Markdown987eb2c2690c1994d962bbfaa3d8ad5da3cbd182fe29898ea4ccc6d24b8e7f05
PDF
Publication page120438786c62e68a6d8d1e3a0c0ec0a229730e8d40851b53ce6869f2c794908b
Manifest9d6a7133d2930e875c1142bf8a41ce437b8de4de6bb7198f063ef257b8435727

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
SignatureWP+i7j2hqhPNj+moQsURX0eBfv4eP4/NmqB91xpTx4ZoMaP1HPLf3EZrUkSYKKaiCTTSJkbdzEfKZt0LCUo/AA==
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

2026-09-17T09:36:01.384516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095921
observed 120438786c62e68a6d8d1e3a0c0ec0a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.366426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095921/manifest.json
observed 9d6a7133d2930e875c1142bf8a41ce43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.349367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095921/publication.md
observed 987eb2c2690c1994d962bbfaa3d8ad5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.329970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095921/publication.txt
observed c9d0e857c89bdd34dd8f52acf42f3d6d...
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.