OpenTechnical

OT-2026-000057617

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000057617) never changes.

Identity and time

Publication numberOT-2026-000057617 · never reused
Internal UUID01a0ae88-2694-778d-b27b-fd64f341328f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057617
StatusPUBLIC

Content hashes

Canonical text54f816de655d40ec90ecc67eec0778938bf89cdd4fb2fe31d464348488ad4fdb
Markdownf59b939525b25a25a69aea28fb3c64ad6645eb923d655f56d4ab0b126a506781
PDF
Publication page574578b258f7d13a0d79853958a12cc4fe06fcabb9889f3aebb5ba32cc2b800e
Manifest49c6a998a89bbb723decedf1dbf923fb89f969c5d5d9449a58557283e34b6a62

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
SignaturehboPs7a2LOK/olD3+XixSIFjLMeOpEA+A9mhpmzwqm3HaXZnTOhVH5dyaMvdvLwv0sRZQcP1zeTIilcZrfLYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:10.500622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057617
observed 574578b258f7d13a0d79853958a12cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.481209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057617/manifest.json
observed 49c6a998a89bbb723decedf1dbf923fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.461485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057617/publication.md
observed f59b939525b25a25a69aea28fb3c64ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.442911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057617/publication.txt
observed 54f816de655d40ec90ecc67eec077893...
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.