OpenTechnical

OT-2026-000049536

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000049536) never changes.

Identity and time

Publication numberOT-2026-000049536 · never reused
Internal UUID01a0ae81-8f7d-792f-82cd-605eebf1e886 · 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-2026-000049536
StatusPUBLIC

Content hashes

Canonical textd4bb826219ff91c599b3482666310945a60c300f06a8947aad08fd960c38648e
Markdownf28a53cc3098f529f48d459a0fa996462893511c2a14c460487770ee71ee716d
PDF
Publication page5e2995029304edfbff3a6de8b2682cc21321697a765ebdfb66ed7456654427dc
Manifest80554d75c0a24586430acdead91c124b3acc84640dea50319a3bfd635089203e

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
Signature4kvy0hDQamVbYTs9pxmRaiLO3EBwuTzoAdf1QUUDCSNpPvWzjpMYbXeaEdFOg99XY1Or94WYG4ES4ZVhjnemCg==
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

2026-09-17T11:02:24.041997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049536
observed 5e2995029304edfbff3a6de8b2682cc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:24.024311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049536/manifest.json
observed 80554d75c0a24586430acdead91c124b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:24.007272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049536/publication.md
observed f28a53cc3098f529f48d459a0fa99646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.989359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049536/publication.txt
observed d4bb826219ff91c599b3482666310945...
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.