OpenTechnical

OT-2026-000073332

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000073332) never changes.

Identity and time

Publication numberOT-2026-000073332 · never reused
Internal UUID01a0ae92-efb7-7366-9ced-583eaff47c19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073332
StatusPUBLIC

Content hashes

Canonical textdd6b066ca834e422815498fba795cb63b28383c62dcf377827f5349ad14fd982
Markdown7949416ff48325206bd4428272807eb61e3c3f35bc6538e0ed2547d09bb89d47
PDF
Publication page29376704a20044af97f32d0679ecdde1f382202ff6110ba95e6ca8195c915c57
Manifest51432d0ad6207f8a755027ae37d4d2b3ca58b84e64fe29f5d7751b16686940bd

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
SignatureUxEx8qQba2XPVqqLNxe7LyXtAMcqYSVLNX8HRMBtQdYqJJyQj8tqnoYCs/ccBD2SdRLZl+4zVaDAnu20O/LIDA==
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

2026-09-17T10:21:21.059002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073332
observed 29376704a20044af97f32d0679ecdde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.039100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073332/manifest.json
observed 51432d0ad6207f8a755027ae37d4d2b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.019059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073332/publication.md
observed 7949416ff48325206bd4428272807eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.999422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073332/publication.txt
observed dd6b066ca834e422815498fba795cb63...
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.