OpenTechnical

OT-2026-000076950

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000076950) never changes.

Identity and time

Publication numberOT-2026-000076950 · never reused
Internal UUID01a0ae94-b071-7559-8087-db793dc867e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076950
StatusPUBLIC

Content hashes

Canonical textfb2f85477b69007d7ebb698c0870e9ac29d154b4ccf0456831cb8327c63d1764
Markdownc8b1bbfbc9fcd2902b9cd0d8260ec071a83070624d5c09ff1fc3d00d740d1b2f
PDF
Publication pageb1541283954676ea104712a9836e5341958968d5f430af8ac5b01e732da48e03
Manifestf40b0f007bb026fdfb2377090a7f17bd619e6d6a91d96c3d1331701d5589c65d

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
Signature5Ts9wGL4L9mpw3fdpphR0rkjU7dS/O5wl3o/43OhFUUUNhZu9q52PYstxad7AzfT7SvntvBzkbjS09YdVyGHCw==
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

2026-09-17T10:10:07.191785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076950
observed b1541283954676ea104712a9836e5341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.045799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076950/manifest.json
observed f40b0f007bb026fdfb2377090a7f17bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.025915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076950/publication.md
observed c8b1bbfbc9fcd2902b9cd0d8260ec071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.002644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076950/publication.txt
observed fb2f85477b69007d7ebb698c0870e9ac...
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.