OpenTechnical

OT-2026-000020363

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000020363) never changes.

Identity and time

Publication numberOT-2026-000020363 · never reused
Internal UUID01a0ae6f-437b-765f-94b2-284d94b84827 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020363
StatusPUBLIC

Content hashes

Canonical text47ad0d8506df40418e7d8ae333bdcef2c4fab83e5b3a9bc22be4053b83de309c
Markdown77019543e0de7ceea0d24cc438abefc197e0d7efbcafd59472d84bbe4fdf65d1
PDF
Publication pagef44315a687d685679359752a68e995007aaccf2f483ea35ed2589d1a7ee5eb2b
Manifest1a153f30ac9cf39f591fe97b0e3f7b161aeed78065845ecb71a0c54e90d740b5

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
SignatureYU8C8DN04FfA+rdrRwFyNJLt7a1oF8xGEm8Vw30MnVBFPb3d3iUFAkuyKXVqBEGvbmomPMa6rgnILrZRhcFOCA==
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

2026-09-17T12:00:09.958059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020363
observed f44315a687d685679359752a68e99500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.934075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020363/manifest.json
observed 1a153f30ac9cf39f591fe97b0e3f7b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.907899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020363/publication.md
observed 77019543e0de7ceea0d24cc438abefc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.888014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020363/publication.txt
observed 47ad0d8506df40418e7d8ae333bdcef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.743801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020363
observed f44315a687d685679359752a68e99500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.724126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020363/manifest.json
observed 1a153f30ac9cf39f591fe97b0e3f7b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.706862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020363/publication.md
observed 77019543e0de7ceea0d24cc438abefc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.689657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020363/publication.txt
observed 47ad0d8506df40418e7d8ae333bdcef2...
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.