OpenTechnical

OT-2026-000049834

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000049834) never changes.

Identity and time

Publication numberOT-2026-000049834 · never reused
Internal UUID01a0ae81-8ff0-72b0-8c08-bea51a78efc1 · 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-2026-000049834
StatusPUBLIC

Content hashes

Canonical text853b850fb1c726a0baab80f91957b9184adf2526b373444b4abff908775189f4
Markdownf1d6602026d545e98331eadf5b3434a62e4d6058d7ef56530dfa8d2695d6076f
PDF
Publication page07d7ded89acf8bca8b3b7ec51f8fb71e5c11bba97bc2e53cfd4ab0bdf116bccf
Manifest65c7a00eb1848f56df150e6b89d17ae5efde6496ecba43b7645ee71fc88e4e90

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
Signature4Zsya0gB1OcvJwP+dp7AwbPUPEjCFdNO42Uck1rfalB7DudzaW/PXT2TGgd1WzXS+a2J1Xzr/UcEF0SsFSZoCA==
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

2026-09-17T11:02:58.269850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049834
observed 07d7ded89acf8bca8b3b7ec51f8fb71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.251742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049834/manifest.json
observed 65c7a00eb1848f56df150e6b89d17ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.233479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049834/publication.md
observed f1d6602026d545e98331eadf5b3434a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.214976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049834/publication.txt
observed 853b850fb1c726a0baab80f91957b918...
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.