OpenTechnical

OT-2026-000100247

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100247) never changes.

Identity and time

Publication numberOT-2026-000100247 · never reused
Internal UUID01a0aea3-3053-77d2-8d1e-4f6f79be1856 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100247
StatusPUBLIC

Content hashes

Canonical text03b67eb9bcd9e4f438e0328c375e49579b973307cb3a0258ad08512791a5836d
Markdownae14b67345ebd9556365a3abc60598a031fe7f93e134a9fc0be5b7734876984d
PDF
Publication pageaddbbbe43e0ef51d8c30d46ad84f76522b0c011e9b9e414e667e36443bd14ea5
Manifestd2ebadc6d7fae4de5a4ef4ca535652cfb69c80c4918b2b0f61d1ba4f602513f1

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
Signatureqn4fO5wLmAEq2vpn4mj5+PI7Z6GsE/N+q1Nfv7fS+1qShl3KxIUOhYjD0RyFKKM8CjPqG4x4tEbmftc+wCFIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:02.741035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100247
observed addbbbe43e0ef51d8c30d46ad84f7652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.720110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100247/manifest.json
observed d2ebadc6d7fae4de5a4ef4ca535652cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.696043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100247/publication.md
observed ae14b67345ebd9556365a3abc60598a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.669442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100247/publication.txt
observed 03b67eb9bcd9e4f438e0328c375e4957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.384336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100247
observed addbbbe43e0ef51d8c30d46ad84f7652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.367224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100247/manifest.json
observed d2ebadc6d7fae4de5a4ef4ca535652cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.349148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100247/publication.md
observed ae14b67345ebd9556365a3abc60598a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.331333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100247/publication.txt
observed 03b67eb9bcd9e4f438e0328c375e4957...
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.