OpenTechnical

OT-2026-000049635

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049635) never changes.

Identity and time

Publication numberOT-2026-000049635 · never reused
Internal UUID01a0ae81-8fed-726e-82bb-9b3d269e8fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049635
StatusPUBLIC

Content hashes

Canonical text62ec75d702067754844adfdf9e3b33b0411fdcd735913d38968162916b851e22
Markdowneec2dfdb31bd3f9c019ba70a4af1aca48464069752e9fa26dd8adea179fb609c
PDF
Publication page69333a093e2bc9a26f510350c343c31c46b26b104c5a100576c57746cb5c7ebf
Manifest9018cede1804a316336c596a4f1759997576415e1b816269de7288cee929ca5c

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
Signatureg6Bm2bf0fZsgagVTsGEynIykE2YSP/TXk/KoCZKod5EzFmszYurD1SXOo+SFZ5cCbYn7mf3QhS4DGrCc5ritCA==
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

2026-09-17T11:02:37.715057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049635
observed 69333a093e2bc9a26f510350c343c31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.697246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049635/manifest.json
observed 9018cede1804a316336c596a4f175999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.678812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049635/publication.md
observed eec2dfdb31bd3f9c019ba70a4af1aca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.661481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049635/publication.txt
observed 62ec75d702067754844adfdf9e3b33b0...
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.