OpenTechnical

OT-2026-000069151

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000069151) never changes.

Identity and time

Publication numberOT-2026-000069151 · never reused
Internal UUID01a0ae90-6dcf-7d0d-87bd-d28578c007fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069151
StatusPUBLIC

Content hashes

Canonical text2928f618b27643b4c8a5dc4645a694f68f113c5b76d68aac18e8046711022417
Markdownf8b30f8bc674aac0d6387325c08ce7ca3f96be8e7248a4967fe4ee3d58c49757
PDF
Publication page32909b46264d83c2ca9ea71ec5c438c3b3b784b641dd8a1c0083fcf181229b52
Manifest753e69e97d4041406ebf20a8783771986a32eb7c8ee007d8bb9d64542610f8c4

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
SignatureHlh0N0DlETbg2C5v5f3bI4nwf8iijIJOkoE6UX4cFL/E/0Wcms+cdEax7JoDTN8N3oCyoqwu2BPaUNtiKtCtCQ==
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

2026-09-17T10:29:02.193456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069151
observed 32909b46264d83c2ca9ea71ec5c438c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.177382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069151/manifest.json
observed 753e69e97d4041406ebf20a878377198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.160827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069151/publication.md
observed f8b30f8bc674aac0d6387325c08ce7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.143094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069151/publication.txt
observed 2928f618b27643b4c8a5dc4645a694f6...
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.