OpenTechnical

OT-2026-000073764

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000073764) never changes.

Identity and time

Publication numberOT-2026-000073764 · never reused
Internal UUID01a0ae93-2b8d-7927-879a-ce519606ad3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073764
StatusPUBLIC

Content hashes

Canonical text8ae16a56e8b7cda7c1582694005027bf4292611e6fa18f3097c24d3eab2e5041
Markdown64827b2e1f04f99760643afdaf8307fdc0317d699bc7c9d32e64f9c65584e8b1
PDF
Publication page1923fe006154f2350ec895ab6a8a236fd1aa12424b1c401de29015aa39ff09ea
Manifest17114d42407fc9545a8942985f54da68e3b1e67d9136be1f40d4fab69ec503e0

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
SignatureYiX+Zz3m5PWsolINh/9wUiECP9VqOqMsCie0jaZnppE2bpWfdOjTyeJGJ8UDlOqN44Hb22qhWugoaoEZzA78Ag==
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

2026-09-17T10:19:51.591017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073764
observed 1923fe006154f2350ec895ab6a8a236f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.570270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073764/manifest.json
observed 17114d42407fc9545a8942985f54da68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.465370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073764/publication.md
observed 64827b2e1f04f99760643afdaf8307fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.447931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073764/publication.txt
observed 8ae16a56e8b7cda7c1582694005027bf...
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.