OpenTechnical

OT-2026-000087319

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, sustained 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-2026-000087319) never changes.

Identity and time

Publication numberOT-2026-000087319 · never reused
Internal UUID01a0ae9a-cd4e-7841-9a31-69e517e3bb72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087319
StatusPUBLIC

Content hashes

Canonical text26cac6bd5ee45e9aeef40ec50c3f0a9ae015ef889a327434cbfa6b57dcfd7c5b
Markdown388c0711306dede33eeb0262e761580d9033b874f0aa81dc678065607f625fc4
PDF
Publication pagee1b0eccefa30e70a3b702b74a134722078483beb190683464a332c0674d171d4
Manifest8fa4072812bd03ef6dfbbad3dea036d98c02f77a05a09efc618b13d74de62bdc

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
Signature8mdURo2AIHOecOOOZ1946f0jm+IBZdzxchEa6Yb6yti3nd06mjHmrzkZz/SwePtpvSfkpwlwjNG6JBJOXrQSDQ==
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

2026-09-17T09:50:29.032813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087319
observed e1b0eccefa30e70a3b702b74a1347220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.031822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087319
observed e1b0eccefa30e70a3b702b74a1347220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.013221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087319/manifest.json
observed 8fa4072812bd03ef6dfbbad3dea036d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.013139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087319/manifest.json
observed 8fa4072812bd03ef6dfbbad3dea036d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.996936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087319/publication.md
observed 388c0711306dede33eeb0262e761580d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.995616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087319/publication.md
observed 388c0711306dede33eeb0262e761580d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.977336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087319/publication.txt
observed 26cac6bd5ee45e9aeef40ec50c3f0a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.977315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087319/publication.txt
observed 26cac6bd5ee45e9aeef40ec50c3f0a9a...
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.