OpenTechnical

OT-2026-000049243

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000049243) never changes.

Identity and time

Publication numberOT-2026-000049243 · never reused
Internal UUID01a0ae81-134f-79e8-b33c-5102430c5b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049243
StatusPUBLIC

Content hashes

Canonical text78967e139de6cd5a57e5e95b949db9dcac973d8f2f8ca1562e83ddab6a488a23
Markdown644c0f14376ae4e896d91aca1f12ec39582cc075191427fbf8d686d99bb9785c
PDF
Publication page2cda5b1a155b38f5c7e53a683188674f233962eb602beeda11089801af8332a9
Manifest361f3fea49ae7ff9f3bf732094519896566bbb17c7238d1f112cfaa41de9fbd8

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
SignatureBnbYm6Dn034gxRzDZW+TZam91h0iSNI+Rh0lW4pDuBUisu9vlokIIPExwPqfyrsDeA9E+1vu/TBhJRR5kjqLAQ==
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

2026-09-17T11:04:04.369750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049243
observed 2cda5b1a155b38f5c7e53a683188674f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.350098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049243/manifest.json
observed 361f3fea49ae7ff9f3bf732094519896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.328681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049243/publication.md
observed 644c0f14376ae4e896d91aca1f12ec39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.309652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049243/publication.txt
observed 78967e139de6cd5a57e5e95b949db9dc...
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.