OpenTechnical

OT-2026-000099857

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000099857) never changes.

Identity and time

Publication numberOT-2026-000099857 · never reused
Internal UUID01a0aea3-1473-7f1e-983b-d5bbddc16b12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099857
StatusPUBLIC

Content hashes

Canonical textd26d96a94cb01252a9f15d30a39e56ff172c905125930d1397b0233f37bcf20f
Markdowne7cb3adc215d320fbb7bcae64bf67bf3860d2d3fbbf62d1e7a5a29bc6c1df24d
PDF
Publication page49e94afdf55e199b9e4d4573071f6e03748bf7a056c5b63862a30b58f70f13f7
Manifesta5a8b62f0df85e4d1ffdf0cd9137b78bdc9f1935cd7b5686597445798395495c

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
SignatureJtWjemteOruetiFcrCaTIto6jUyu9aohu4RaTfi2z7aLTUktU0262SgXLcm7PbUYP+1Or0JPkKC53363m5OyCQ==
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

2026-09-17T09:30:21.835539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099857
observed 49e94afdf55e199b9e4d4573071f6e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.815358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099857/manifest.json
observed a5a8b62f0df85e4d1ffdf0cd9137b78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.795161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099857/publication.md
observed e7cb3adc215d320fbb7bcae64bf67bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.773752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099857/publication.txt
observed d26d96a94cb01252a9f15d30a39e56ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.817341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099857
observed 49e94afdf55e199b9e4d4573071f6e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.797751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099857/manifest.json
observed a5a8b62f0df85e4d1ffdf0cd9137b78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.776653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099857/publication.md
observed e7cb3adc215d320fbb7bcae64bf67bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.758599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099857/publication.txt
observed d26d96a94cb01252a9f15d30a39e56ff...
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.