OpenTechnical

OT-2026-000072914

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000072914) never changes.

Identity and time

Publication numberOT-2026-000072914 · never reused
Internal UUID01a0ae92-c814-79be-af09-2a042a3ce2a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072914
StatusPUBLIC

Content hashes

Canonical texta53774b99fdacff99e31b96887d4a87074639587436ba2d39aa8de0a01d28dc4
Markdown62095a9797f8aae526177003010a76f604f1c380d6b7fecafaf874a56af677d5
PDF
Publication page4309400efdda5db3c958eda3a4071a8cd71661b64634edfbe4f97ec0fee1318e
Manifest145895df74499d0696a0fbf4190e014243777c5a2dca61d6409d9dfd9e26ac21

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
SignaturerwyUYw8LVU0pnQdTDDk0GCOnItDlxIPMZzriVkRs8xejI+dSacKLL3nAES+sCpPgVKHtpt6GshHGzLo5XCFdBQ==
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

2026-09-17T10:21:49.546570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072914
observed 4309400efdda5db3c958eda3a4071a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.529259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072914/manifest.json
observed 145895df74499d0696a0fbf4190e0142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.511403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072914/publication.md
observed 62095a9797f8aae526177003010a76f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.490961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072914/publication.txt
observed a53774b99fdacff99e31b96887d4a870...
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.