OpenTechnical

OT-2026-000082826

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000082826) never changes.

Identity and time

Publication numberOT-2026-000082826 · never reused
Internal UUID01a0ae97-8cc9-7b60-9edc-a4f49c154258 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082826
StatusPUBLIC

Content hashes

Canonical text07fb40a9a745d2954346dfb3a6fdd26ca6f25a6600ec1c33aaf63053bfb4136a
Markdownb3cd61fa026ef236eeb14767a8205af7c376e688ee65b2f170c4fbaf810b49ea
PDF
Publication page7dbf69c060423a4f8fb2f4c190529321700dd27bc204be4e450ce1ec1a9bc568
Manifest0a75bfe6ffc01855933d385f4e15f405cec23ff045ff0c4fe20f137d1253149b

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
Signature64cGFZW0enUEH0MCEnIvpsZBTpo8bsqFcqzwP3mcc6Qk8NiGW50UyEZmfI9HqhKk08bGB7mmnFrqn2RQ3zTNCg==
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

2026-09-17T09:58:29.772557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082826
observed 7dbf69c060423a4f8fb2f4c190529321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:29.755414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082826/manifest.json
observed 0a75bfe6ffc01855933d385f4e15f405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:29.738045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082826/publication.md
observed b3cd61fa026ef236eeb14767a8205af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:29.716577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082826/publication.txt
observed 07fb40a9a745d2954346dfb3a6fdd26c...
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.