OpenTechnical

OT-2026-000008518

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000008518) never changes.

Identity and time

Publication numberOT-2026-000008518 · never reused
Internal UUID01a0ae6a-e46a-77d7-8dd3-c41bccd2b76a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008518
StatusPUBLIC

Content hashes

Canonical text54bbaa788496430938add9a3ee708c90db262cc718ff3cf06bc0e5d7b5557efc
Markdown7b33741df6a6c88cfb125fbc34df4b60a0218233da2ba4145622cfb2d2489e3b
PDF
Publication pagef45e6a22acc8329408c93d73ac1147e6acd4767054737ccf4a2c89c64f72aab9
Manifestb4191051652856207186921af7495679385b0e60af0a3e7380867ae9a3054fd4

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
Signaturek/0i0vEiNopjjE0WbjboeG4Gvmn+0keCM3EackrbWyIoWfffjm2o+JQRiDNoDE2vM+yZSLFQHCWPIL/2m03ODQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:25.946420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008518
observed f45e6a22acc8329408c93d73ac1147e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.927899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008518/manifest.json
observed b4191051652856207186921af7495679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.907561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008518/publication.md
observed 7b33741df6a6c88cfb125fbc34df4b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.885243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008518/publication.txt
observed 54bbaa788496430938add9a3ee708c90...
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.