OpenTechnical

OT-2026-000049060

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000049060) never changes.

Identity and time

Publication numberOT-2026-000049060 · never reused
Internal UUID01a0ae81-134d-7a65-b5db-6d6897741afe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049060
StatusPUBLIC

Content hashes

Canonical text7b97fb2ebfb5c3b3e8cb8d5212b05c21a31dbde9c56134074dfb7a07a868d143
Markdown05e1a44e6e1049d9ea21a890f5b6a15bdd373ea0261279b5d441a6101ff5367f
PDF
Publication page6e8d205bcc1d4777d5f647b65e05689ea83cd0b5917bd3445dbf46ca60e6f41f
Manifestca4da96dd2bfc52ab9a4e278b33080f6d4d94bd01769a877118d590953417f26

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
SignatureJWq6MAejbjqvgyvL3dYJabdsBncLdBhZV4lehHD9/Mhliu/qZD10UoOEOTC9t1kOIlvqZqTTS4PltQ6jMlvrDQ==
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

2026-09-17T11:03:17.490671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049060
observed 6e8d205bcc1d4777d5f647b65e05689e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.470695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049060/manifest.json
observed ca4da96dd2bfc52ab9a4e278b33080f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.451119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049060/publication.md
observed 05e1a44e6e1049d9ea21a890f5b6a15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.433021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049060/publication.txt
observed 7b97fb2ebfb5c3b3e8cb8d5212b05c21...
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.