OpenTechnical

OT-2026-000089981

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089981) never changes.

Identity and time

Publication numberOT-2026-000089981 · never reused
Internal UUID01a0ae9c-428e-72e6-8b04-00864279ba69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089981
StatusPUBLIC

Content hashes

Canonical text648f388a0848be1f7f533d245ba75a3bbc9f10b66f0e6e03ce6499e0ce3148d9
Markdown285716eb54b5c1c399103627e22d9871d50beee89a838b69d7b3a19651d0198c
PDF
Publication pagebae6b08ad1f169230c8c5804e77a05293e26b811ce6015e6940a8cf057b29d2d
Manifest4ee00554620454e0b622b25fbac2099285c3f1f08fa49bc761c7a6f75c1b099e

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
Signatured+GuFSsJLoLhzKZ0rhxLN1rIlbvQfzoH3FJwspQ599Mh0q8DmIG+Yfh/34O3UhROxLDCBFRV2kSPV4SY1EdhBg==
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

2026-09-17T09:45:22.191239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089981
observed bae6b08ad1f169230c8c5804e77a0529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.174739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089981/manifest.json
observed 4ee00554620454e0b622b25fbac20992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.156698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089981/publication.md
observed 285716eb54b5c1c399103627e22d9871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.139675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089981/publication.txt
observed 648f388a0848be1f7f533d245ba75a3b...
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.