OpenTechnical

OT-2026-000013631

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000013631) never changes.

Identity and time

Publication numberOT-2026-000013631 · never reused
Internal UUID01a0ae6d-8de8-726f-a71f-fb654849dfa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013631
StatusPUBLIC

Content hashes

Canonical text62791ac0a353f6a335cdaa844f5f248fd9bef66d4fb86275b15270bab660ffc7
Markdownf46007897e07276f1699ab0053246212065d509ef319f316bfedc824005240b0
PDF
Publication page79b44145de792dadd2e959e89230dc2c1c1aedc8b86671f0483089d3caac8863
Manifesteb9f3d2ae3784bbdba62dfbf48a058883deeff57e1f2646795b12271320057a8

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
Signature128kL7HFpQ/zNT7ECiGlT4R8UcFAtX/O2AfCnDgXrDJ/j7TN2df6Oin1aBB/Or6gxqi3ErMEZfjROx1ilZ8uBQ==
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

2026-09-17T12:10:32.855940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013631
observed 79b44145de792dadd2e959e89230dc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.837841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013631/manifest.json
observed eb9f3d2ae3784bbdba62dfbf48a05888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.818638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013631/publication.md
observed f46007897e07276f1699ab0053246212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.800375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013631/publication.txt
observed 62791ac0a353f6a335cdaa844f5f248f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.888754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013631
observed 79b44145de792dadd2e959e89230dc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.867715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013631/manifest.json
observed eb9f3d2ae3784bbdba62dfbf48a05888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.847667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013631/publication.md
observed f46007897e07276f1699ab0053246212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.827869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013631/publication.txt
observed 62791ac0a353f6a335cdaa844f5f248f...
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.