OpenTechnical

OT-2026-000073813

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000073813) never changes.

Identity and time

Publication numberOT-2026-000073813 · never reused
Internal UUID01a0ae93-2b8d-7c4f-a2a6-98068f47772c · 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-2026-000073813
StatusPUBLIC

Content hashes

Canonical text01c93a9cabd861ed0b9f91f7a73301d8bdaed62077609b2545267be5c0c9a9d9
Markdown271d038966f934fdfe48c1fa6cc7637be159a1d6a4f6d4e27abbacaf38d7424f
PDF
Publication page034a80126a8a7c9e8a0d2fa5935de4079f050126de19313cdbd0de94b88f22f1
Manifest033c0c4cf892bd213abb9d4ba67db1b677a1b9b121e5bf7c97021923d2498852

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
SignaturePXUol5c+uKInI/MoZ4vzWN7ZTUgqoOCES/lu/N0JzqW82U6i7fTSv88+oqEYZJMS+yqxUjYkINza6tIKctYhDw==
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

2026-09-17T10:19:56.079447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073813
observed 034a80126a8a7c9e8a0d2fa5935de407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.060774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073813/manifest.json
observed 033c0c4cf892bd213abb9d4ba67db1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.041213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073813/publication.md
observed 271d038966f934fdfe48c1fa6cc7637b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.019531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073813/publication.txt
observed 01c93a9cabd861ed0b9f91f7a73301d8...
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.