OpenTechnical

OT-2026-000026549

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000026549) never changes.

Identity and time

Publication numberOT-2026-000026549 · never reused
Internal UUID01a0ae71-f4a9-744b-ae60-dfb8cd154f17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026549
StatusPUBLIC

Content hashes

Canonical text1afc930e1a3ee02351ccba5df6577eaf23cc15c42c8d261761228d99345c49de
Markdownd8f021e891e68ba6d0b53b2e922ad09d2ed223e786371d1a455f7f4b1ef35be8
PDF
Publication pageaf8bf9fd8fce6da6325ccf0a8831763e4f9f29d8f0bfc11cc7b78f78e3cf379c
Manifest4ed8a81566f1c402cc29e173c9ed35ee592e64e463d4f1a8d7d562f6d5b85044

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
Signaturemz7VpJwO8QTlC6BLKhpWWdoBZUiDmzjaR0O/gr8CfNJBdkOqLY062xQ6WAuMkVcHlmRZkQ0XgFFqIjFFRCqQDg==
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

2026-09-17T11:44:40.715264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026549
observed af8bf9fd8fce6da6325ccf0a8831763e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.699698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026549/manifest.json
observed 4ed8a81566f1c402cc29e173c9ed35ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.682832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026549/publication.md
observed d8f021e891e68ba6d0b53b2e922ad09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.665816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026549/publication.txt
observed 1afc930e1a3ee02351ccba5df6577eaf...
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.