OpenTechnical

OT-2026-000016631

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000016631) never changes.

Identity and time

Publication numberOT-2026-000016631 · never reused
Internal UUID01a0ae6e-5918-765d-ab32-01c045ed5509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016631
StatusPUBLIC

Content hashes

Canonical text698e21424eda42a0a14567803f183cbc9a81faf760f18471b7f046818302cdee
Markdown72fd33bf50544c9e91f00d7ce3acece67835e2229585a07aab2ebf137dd0ef75
PDF
Publication pagea388707a9121cc9827351ce0c32a6b222f6b0ad76440f21945873a9384fe9a1c
Manifest70b0159ea47c4b39f7e6b746de943e925c100ad52c8f82ada06b3957d61a8159

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
SignatureZz9OTOs8fXTZ2U4WEjzvoKSaUUUm6+FFLR1FV8aob4nx6+4/KmWHRKfprwTcVWzQnNFmYhqFUnXBo7sCdMzTDw==
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

2026-09-17T12:02:49.334278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016631
observed a388707a9121cc9827351ce0c32a6b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.316343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016631/manifest.json
observed 70b0159ea47c4b39f7e6b746de943e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.300127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016631/publication.md
observed 72fd33bf50544c9e91f00d7ce3acece6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.282085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016631/publication.txt
observed 698e21424eda42a0a14567803f183cbc...
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.